Start from what you have.

UK people and business search built on the electoral roll, directories and company data.

• Website
• Freemium

TakesPerson's name

US directory lookup by name, phone number or address, with basic listings free.

• Website
• Freemium

TakesPerson's namePhone number

Community database of fake banks, shipping companies and other scam websites, with reports and screenshots.

• Website
• Freemium

TakesDomain

Community database of reported malicious IPs. Shows abuse reports, a confidence score, the ISP and the usage type.

• Website
• Freemium

TakesIP addressDomain

Live and historical flight tracking from unfiltered ADS-B data, including aircraft that other trackers hide.

• Website
• Free

TakesAircraft

Flight tracker focused on military aircraft, built on unfiltered ADS-B Exchange data, with movement history per airframe.

• Website
• Free

TakesAircraft

Community threat-intelligence exchange. Look up an IP, domain or file hash to see the reports and campaigns it appears in.

• Website
• Free
• Account

TakesIP addressDomainFile hash

Generates variations of known subdomains (dev-, -staging, numbers) and resolves them to find hidden hosts.

• Command line
• Free
• Active

TakesDomain

The largest genealogy archive: census, immigration, military and vital records across 80+ countries.

• Website
• Freemium
• Account

TakesPerson's name

Annual reports from thousands of listed companies worldwide, including past years, in one searchable place.

• Website
• Free

TakesCompany

Maps registered cell towers and antennas near a US address, with owner and registration details from FCC records.

• Website
• Free

TakesLocation / coordinates

Interactive malware sandbox: run a file or URL in a virtual machine and watch its processes, network traffic and indicators live.

• Website
• Freemium
• Account

TakesDocument / fileURLFile hash

Extracts text and metadata (author, software, dates) from over a thousand file types, including Office files and PDFs.

• Command line
• Free

TakesDocument / fileImage

B2B contact database: work emails, phone numbers and job history for professionals at a company, with a free tier.

• Website
• Freemium
• Account

TakesPerson's nameCompanyDomain

Thousands of ready-made map layers (imagery, borders, infrastructure, demographics) to overlay on a location.

• Website
• Freemium

TakesLocation / coordinates

Searches archives for YouTube videos that were deleted, made private or blocked.

• Website
• Freemium

TakesVideoURL

Saves a snapshot of a web page on demand and searches existing snapshots. Useful when the Wayback Machine is blocked or missed a page.

• Website
• Free

TakesURL

Official registry lookup for IP ranges and networks in North America: who holds an address block and their contacts.

• Website
• Free

TakesIP addressCompany

Blockchain analytics with hundreds of millions of labelled addresses. Shows who controls an address and traces funds between entities.

• Website
• Freemium
• Account

TakesCrypto addressCompany

Works out exactly which part of the sky a night photo shows, which can help confirm where and when it was taken.

• Website
• Free

TakesImage

Vehicle history by VIN for European and North American cars: past damage, mileage readings, inspections and registrations. Full reports are paid.

• Website
• Freemium
• Account

TakesVehicle / plate

Looks up European vehicles by VIN or licence plate and returns make, model, engine and technical registration data.

• Website
• Freemium
• Account

TakesVehicle / plate

Telegram bot for Russian vehicle history reports by VIN or plate: accidents, owners count, fines and liens.

• Website
• Paid

TakesVehicle / plate

Telegram bot that finds photos of a vehicle by its licence plate, using the platesmania.com community archive.

• Website
• Free

TakesVehicle / plate

Baidu reverse image search. Finds copies of an image on Chinese websites that Western search engines rarely index.

• Website
• Free

TakesImage

Baidu's map of China, with far better street-level and place coverage of the mainland than Google Maps.

• Website
• Freemium

TakesLocation / coordinates

US and Canadian business profiles with ratings, complaints, owners and contact details.

• Website
• Freemium

TakesCompany

Microsoft reverse image search. You can crop to one object in a photo and search for just that part.

• Website
• Free

TakesImage

Microsoft maps with aerial and bird's-eye imagery, often captured on different dates than Google's, which helps when verifying a location.

• Website
• Free

TakesLocation / coordinates

Looks up a Bitcoin address and shows scam reports, community tags and web pages where the address has been mentioned.

• Website
• Free

TakesCrypto address

Explorer for 40+ blockchains showing address balances, token transfers and DEX trades, with a GraphQL API for bulk queries.

• Website
• Freemium

TakesCrypto address

Simple Bitcoin address checker showing the current balance and transaction history, with no sign-up.

• Website
• Free

TakesCrypto address

Free directory of US public-records searches, organised by state and record type.

• Website
• Free

TakesPerson's nameLocation / coordinates

Searches 600+ sites for accounts matching a username or email address and can export the results as a PDF or CSV report.

• Command line
• Free

TakesUsernameEmail address

Checks an IP address or domain against 100+ email spam blocklists at once.

• Website
• Freemium

TakesIP addressDomain

Bitcoin blockchain explorer showing the balance, transactions and connected addresses for a wallet.

• Website
• Free

TakesCrypto address

Blockchain explorer covering Bitcoin, Ethereum and 40+ other chains. Look up addresses and transactions, or run filtered queries across a chain.

• Website
• Freemium

TakesCrypto address

Community blocklist of IPs caught attacking servers (SSH, mail, web logins). Search an IP to see what it was reported for.

• Website
• Free

TakesIP address

Bitcoin address lookup with balance and transactions. Can also show every address derived from a wallet xpub key.

• Website
• Free

TakesCrypto address

Looks up one address across 25+ Ethereum-compatible chains at once, from the team behind Etherscan.

• Website
• Freemium

TakesCrypto address

Official search of people held in US federal prisons since 1982, with location and release date.

• Website
• Free

TakesPerson's name

Database of names, emails and IPs used by spam bots on forms and forums. Check whether an address is a known bot.

• Website
• Freemium
• Account

TakesUsernameEmail addressIP address

Directory of free US public-records sources: court, property, business and licensing databases by state.

• Website
• Freemium

TakesPerson's nameLocation / coordinates

Crypto investigation tool that draws fund flows between addresses as an interactive graph, with community labels.

• Website
• Freemium

TakesCrypto address

Webroot BrightCloud (now OpenText) reputation score and content category for a URL or IP.

• Website
• Free

TakesURLIP addressDomain

Opens a suspicious link in a real browser running on a remote machine, so it never touches your own computer.

• Website
• Freemium

TakesURL

Shows the technologies a website runs on (CMS, analytics, ad networks, hosting) and which other sites share the same tracking IDs.

• Website
• Freemium

TakesDomain

Directory of millions of US businesses with address, industry code, estimated revenue and employee count.

• Website
• Freemium

TakesCompany

Reads Content Credentials (C2PA) in a photo or video: which camera or app created it, edits made and whether AI was used.

• Website
• Free

TakesImageVideo

Canadian phone directory: look up a person or business by name or reverse-search a listed number.

• Website
• Free

TakesPerson's namePhone number

Identifies the make, model and generation of a car from a photo.

• Website
• Freemium

TakesImage

Decodes a VIN for free and sells history reports covering accidents, mileage, theft records and past owners in many countries.

• Website
• Freemium

TakesVehicle / plate

Full text of historical US state and federal appellate decisions (published until 2018).

• Website
• Free

TakesPerson's nameCompany

Free WHOIS, RDAP, DNS and IP lookups with name server history and certificate details, no sign-up.

• Website
• Freemium

TakesDomainIP address

Internet-wide scan data on hosts, services and certificates, for finding exposed assets and infrastructure linked to a target.

• Website
• Freemium
• Account

TakesIP addressDomain

Searches internet-wide scan findings for a domain: exposed admin panels, misconfigurations and leaked files.

• Website
• Freemium

TakesDomain

Crawls TLS certificates and Certificate Transparency logs to map every domain linked to a starting domain as a graph.

• Command line
• Free

TakesDomain

Fast Certificate Transparency search: every certificate issued for a domain, including subdomains in the certificate names.

• Website
• Free

TakesDomain

Community reports of crypto addresses and websites used in scams, ransomware and fraud, across Bitcoin, Ethereum and other chains.

• Website
• Free

TakesCrypto address

Watches web pages and alerts you when they change. Open source and self-hostable, with a paid hosted version.

• Website
• Free
• Active

TakesURL

Command-line tool that checks an IP against a dozen sources at once (geolocation, blocklists, Shodan, VirusTotal and more) and scores how malicious it looks.

• Command line
• Free

TakesIP address

Expands a shortened link (bit.ly, t.co and others) to show where it really leads before you open it.

• Website
• Free

TakesURL

Ranks networks (ASNs) by how much malicious activity they host over time, to judge how trustworthy an IP range is.

• Website
• Free

TakesIP address

Tries to find the real server IP behind a Cloudflare-protected site using DNS history and subdomain checks.

• Command line
• Free
• Active

TakesDomain

The UK's official company register: filings, accounts, registered address, and current and past officers.

• Website
• Free

TakesCompanyPerson's name

Friendlier search over UK Companies House data, with officers, addresses and links between related companies.

• Website
• Free

TakesCompanyPerson's name

Company search across several European national registries in one place.

• Website
• Freemium

TakesCompany

Shows the name server history of a domain, revealing past hosting providers and ownership changes.

• Website
• Freemium

TakesDomain

Declassified 1960s–70s CORONA spy-satellite photos, georeferenced, for seeing how a place looked decades ago.

• Website
• Free
• Account

TakesLocation / coordinates

Financial and company profiles for tens of thousands of listed companies worldwide, organised by country and industry.

• Website
• Freemium

TakesCompany

Free search of millions of US court opinions and federal dockets, including the RECAP archive of PACER filings.

• Website
• Free

TakesPerson's nameCompany

Shows which websites link to a domain, from the open Common Crawl web graph. Useful for mapping networks of related sites.

• Website
• Free

TakesDomain

Telegram bot that estimates when a Telegram account was created from its user ID.

• Website
• Free

TakesUsername

Search engine for exposed internet assets. Shows open ports, vulnerabilities and a risk score for an IP or domain.

• Website
• Freemium
• Account

TakesIP addressDomain

Searches Certificate Transparency logs for every TLS certificate issued to a domain, which often reveals forgotten subdomains.

• Website
• Free

TakesDomainCompany

Profiles of private and public companies: funding, investors, acquisitions, founders and executives.

• Website
• Freemium
• Account

TakesCompanyPerson's name

Shows public geotagged photos taken near a place on a map.

• Website
• Free

TakesLocation / coordinates

Tracks which domains moved to or from a name server or hosting provider each day, useful for spotting infrastructure migrations.

• Website
• Freemium

TakesDomain

IP geolocation lookups with location, ISP, connection type and a threat assessment, plus a free downloadable database.

• Website
• Freemium

TakesIP address

Open-source domain research toolkit: DNS, RDAP/WHOIS, passive subdomains, IP and ASN data, and mail security in one report.

• Website
• Free

TakesDomainIP address

Free web-based check of a username across hundreds of sites.

• Website
• Freemium

TakesUsername

Free sanctions and politically-exposed-person screening for people and companies, with fuzzy name matching.

• Website
• Freemium
• Account

TakesPerson's nameCompany

Maps a domain's DNS records, subdomains and hosting providers and draws the result as a graph.

• Website
• Freemium

TakesDomain

Reverse IP, name server and mail server lookups: find other domains on the same infrastructure.

• Website
• Free

TakesDomainIP address

DNS enumeration script: standard records, zone transfer attempts, subdomain brute force, reverse lookups and cached-record snooping.

• Command line
• Free
• Active

TakesDomainIP address

Generates look-alike domains (typos, homoglyphs, swapped TLDs) and checks which are registered, to find phishing sites.

• Command line
• Free

TakesDomain

Web version of domain look-alike search: lists registered typo and homoglyph variants of a domain.

• Website
• Freemium

TakesDomain

Draws a domain's DNS delegation chain and DNSSEC signatures as a graph and highlights configuration errors.

• Website
• Free

TakesDomain

US litigation search and docket tracking across federal and state courts.

• Website
• Freemium

TakesPerson's nameCompany

Free one-page report on a domain or IP: WHOIS for both the domain and its network, DNS records and a traceroute.

• Website
• Free

TakesDomainIP address

Commercial database of hundreds of billions of historical domain records: DNS, certificates, technologies and ownership links.

• Website
• Paid
• Account

TakesDomain

WHOIS and DNS lookup tools from easyDNS (formerly easyWhois), including registrar, name servers and record checks.

• Website
• Free

TakesDomain

Current WHOIS lookup for any domain. Historical WHOIS, hosting history and reverse lookups need a paid account.

• Website
• Freemium

TakesDomainIP address

Shows a road map, satellite view and Street View of the same spot side by side, synced as you move.

• Website
• Freemium

TakesLocation / coordinates

Query blockchain data with SQL across 100+ chains, or reuse public dashboards others have built about addresses and protocols.

• Website
• Freemium
• Account

TakesCrypto address

Network of live public webcams worldwide, useful for checking current conditions or activity at a place.

• Website
• Free

TakesLocation / coordinates

Telegram bot that checks Russian companies and entrepreneurs in the official EGRUL register: directors, founders, address.

• Website
• Free

TakesCompanyPerson's name

Shows the email address pattern a company uses (for example first.last@), with example addresses as evidence.

• Website
• Freemium

TakesCompanyDomain

Checks whether an email address exists and whether it belongs to a disposable or role-based mailbox.

• Website
• Freemium
• Active

TakesEmail address

Generates every likely email address for a person from their name and company domain, ready to check with a verifier.

• Website
• Free

TakesPerson's nameDomain

US vehicle history by VIN or licence plate: title records, accidents, odometer readings and past sales photos.

• Website
• Freemium

TakesVehicle / plate

Looks up an email or phone number and reveals linked accounts, such as the Google account behind a Gmail address and its public reviews.

• Website
• Freemium

TakesEmail addressPhone number

Every past version of Esri's world satellite basemap since 2014, to compare how a place changed between dates.

• Website
• Free

TakesImageLocation / coordinates

Ethereum blockchain explorer showing balances, transactions, token transfers and public labels for an address.

• Website
• Free

TakesCrypto address

The EU's official check of a VAT number, confirming a company is registered and often showing its name and address.

• Website
• Free

TakesCompany

European business directory of about 3 million companies, searchable by name, product or sector, with contact and location details.

• Website
• Free

TakesCompany

Reads and edits photo metadata (camera, timestamps, GPS) entirely in your browser, so the image is never uploaded.

• Website
• Free

TakesImage

Pulls GPS coordinates from the metadata of many images at once, from files, folders or URLs, and links them to a map.

• Command line
• Free

TakesImage

Reads and edits metadata in images, video, audio and documents, such as camera model, GPS coordinates, timestamps, author and software.

• Command line
• Free

TakesImageVideoDocument / file

Command-line tool for reading and editing EXIF, IPTC and XMP metadata in images, including many RAW formats.

• Command line
• Free

TakesImage

Checks whether an IP address was running as a Tor relay on a given date, which tells you if traffic from it could have come from Tor users.

• Website
• Free

TakesIP address

Telegram bot that maps TON wallet connections and links wallets to Telegram usernames and profiles.

• Website
• Freemium

TakesCrypto addressUsername

Facebook's account recovery page: entered while logged out, an email or phone number shows whether a matching account exists.

• Website
• Free

TakesEmail addressPhone number

Face search engine that matches a face against social media, news and mugshot sites, aimed at checking people you meet online.

• Website
• Freemium
• Account

TakesImage

Free genealogy archive with billions of historical records and family trees; needs a free account.

• Website
• Free
• Account

TakesPerson's name

Free US people search with address history, possible relatives and associates.

• Website
• Free

TakesPerson's name

US licence plate and VIN lookup returning the vehicle, its specs and history report options.

• Website
• Freemium

TakesVehicle / plate

The FBI's official wanted list with photos and case details.

• Website
• Free

TakesPerson's nameImage

Searches FCC equipment filings by FCC ID or company: internal photos, manuals and test reports for wireless devices.

• Website
• Freemium

TakesCompany

Official US campaign-finance filings: search individual donors by name, employer and location.

• Website
• Free

TakesPerson's nameCompany

Searches inside the subtitles of hundreds of millions of YouTube videos, to find the exact moment something was said.

• Website
• Freemium

TakesVideo

Crowd-sourced database of hundreds of millions of graves with photos, dates and family links.

• Website
• Free

TakesPerson's name

Checks several archives for a YouTube video by its ID, useful when the video was deleted or made private.

• Website
• Free

TakesURLVideo

Looks up a US licence plate by state and shows the vehicle make, model and year.

• Website
• Freemium

TakesVehicle / plate

UK and Irish genealogy records: census, parish, military, newspapers and electoral rolls.

• Website
• Paid
• Account

TakesPerson's name

Telegram bot that reveals which account created a Telegram sticker pack.

• Website
• Free

TakesSocial media post

Looks up a Dutch licence plate and shows the vehicle specs, inspection (APK) history and registration data from the RDW.

• Website
• Freemium

TakesVehicle / plate

Hundreds of public IP blocklists (malware, botnets, proxies, abuse) in one place. Search an IP to see every list it appears on.

• Website
• Free

TakesIP address

Search Flickr photos by place or keyword and browse them on a map; many keep their original camera metadata.

• Website
• Freemium

TakesLocation / coordinatesImage

Live flight tracking with a searchable history of routes by flight number, registration or airport.

• Website
• Freemium

TakesAircraft

Checks whether an IP belongs to a VPN, proxy, Tor exit or bot network.

• Website
• Freemium

TakesIP address

US military records, service files and war-era documents, with limited free search.

• Website
• Freemium

TakesPerson's name

Searches X/Twitter bios and compares the followers of accounts to find overlaps and connections.

• Website
• Freemium
• Account

TakesUsername

Identifies the font used in an image, useful for spotting edited documents and screenshots.

• Website
• Free

TakesImage

Browser-based photo forensics: clone detection, error level analysis, noise analysis and metadata, all run locally.

• Website
• Free

TakesImage

In-browser photo forensics: metadata viewer, error level analysis, clone and double-compression detection. Nothing is uploaded.

• Website
• Free

TakesImage

Error level analysis and metadata for a photo, to spot areas that were edited or pasted in.

• Website
• Freemium

TakesImage

Browser extension for stepping through YouTube videos one frame at a time, to catch details in fast footage.

• Browser extension
• Free

TakesVideo

Returns a phone number's carrier and whether it is mobile or landline, plus its email-to-SMS gateway address.

• Website
• Freemium

TakesPhone number

Maps an organisation's internet-exposed hosts, subdomains, open ports and technologies from one domain.

• Website
• Freemium
• Account

TakesDomain

Search and verify companies across official registries in 18+ African countries.

• Website
• Freemium

TakesCompany

Archive of US newspapers back to the 1600s, strongest for obituaries, marriages and local news.

• Website
• Paid

TakesPerson's name

Telegram bot that looks up the location of a Wi-Fi access point from its MAC address (BSSID).

• Website
• Freemium

TakesWi-Fi / BSSID

Gazetteer of over 11 million place names with coordinates, alternate spellings and administrative areas.

• Website
• Free

TakesLocation / coordinates

Windows app for viewing photo locations on a map and editing geotags and metadata in bulk.

• Desktop app
• Free

TakesImageLocation / coordinates

AI photo geolocation that estimates the country, region or spot a picture was taken in.

• Website
• Freemium

TakesImage

AI that estimates where a photo was taken from what is visible in it, such as architecture, vegetation and road markings.

• Website
• Freemium
• Account

TakesImage

The NSA's open-source reverse-engineering suite: disassembles and decompiles executables to show what a program really does.

• Desktop app
• Free

TakesDocument / file

Shows the history of a GitHub username: past accounts that used it, linked emails and deleted repositories.

• Website
• Free

TakesUsername

Investigates a Google account from its Gmail address: public profile photo, Maps reviews, calendar and other exposed Google services.

• Command line
• Free
• Account

TakesEmail address

Investigates a GitHub user: past usernames and names, emails linked to the account, SSH keys and close contacts.

• Command line
• Free
• Account

TakesUsernameEmail address

Maps fishing and vessel activity worldwide from satellite AIS data, including port visits, ship-to-ship transfers and gaps in tracking.

• Website
• Free

TakesVessel

Google's 3D globe with measuring tools and a timelapse. The desktop version (Google Earth Pro) also shows historical imagery by date.

• Website
• Free

TakesLocation / coordinates

Google's reverse image search. It is strong at identifying landmarks, products and text in an image.

• Website
• Free

TakesImage

Satellite imagery, Street View and business listings for most of the world. The standard starting point for geolocating a photo.

• Website
• Free

TakesLocation / coordinates

Full-text search of patents worldwide by inventor, assignee or topic, revealing what a person or company has worked on.

• Website
• Free

TakesPerson's nameCompany

Checks whether Google currently flags a site as malware or phishing, the same warning Chrome shows.

• Website
• Free

TakesURLDomain

Searches files in publicly exposed cloud storage buckets (Amazon S3, Azure, Google Cloud) by keyword or company.

• Website
• Freemium
• Account

TakesDomainCompany

Shows whether an IP is mass-scanning the internet or belongs to a known benign service, so you can separate targeted activity from background noise.

• Website
• Freemium

TakesIP address

Profiles of US nonprofits: tax filings (Form 990), leaders, finances and 501(c)(3) status.

• Website
• Freemium

TakesCompany

Python tools (hachoir-metadata) that read metadata from dozens of binary file formats, including ones other tools skip.

• Command line
• Freemium

TakesDocument / fileImageVideo

Finds the hostnames of an IP address, or of a whole IP range at once, from reverse DNS records.

• Website
• Freemium

TakesIP address

Shows which known data breaches an email address appears in, with the date and the kinds of data exposed.

• Website
• Freemium

TakesEmail address

HERE's map, with road data and satellite imagery from a different provider than Google, useful for cross-checking a location.

• Website
• Freemium

TakesLocation / coordinates

Decades of historical aerial photos and topographic maps of the US, to see how a place looked in a given year.

• Website
• Freemium
• Account

TakesLocation / coordinates

Street-level imagery collected by dashcams, often more recent than Google Street View in covered cities.

• Website
• Freemium
• Account

TakesLocation / coordinates

Asks mobile networks whether a number is live, which carrier it is on now and whether it has been ported.

• Website
• Paid
• Account

TakesPhone number

Checks whether an email address is registered on 120+ sites by probing their sign-up and password-reset flows, without notifying the owner.

• Command line
• Free

TakesEmail address

Community honeypot network. Look up an IP to see what it attempted against the honeypots and when.

• Website
• Freemium
• Account

TakesIP address

Per-IP reports from a honeypot network: what it scanned for, which exploits it tried and its client fingerprints.

• Website
• Free

TakesIP address

Finds email addresses linked to a company's domain and shows the address pattern the company uses (for example first.last@).

• Website
• Freemium
• Account

TakesDomainCompany

Shows who owns an IP range or ASN, which networks it connects to, and the domains hosted on an IP.

• Website
• Free

TakesIP addressDomain

Free OCR in 100+ languages: extract text from images and scanned PDFs so you can translate or search it.

• Website
• Free

TakesImageDocument / file

IBM's threat-intelligence lookup for IPs, URLs, domains and hashes, with risk scores and related campaigns.

• Website
• Freemium
• Account

TakesIP addressDomainURLFile hash

ICANN's official registration data lookup (RDAP) for any domain, straight from the registry and registrar.

• Website
• Free

TakesDomain

Identifies which ransomware encrypted your files from a ransom note, an encrypted sample or the contact email, and says whether a decryptor exists.

• Website
• Free

TakesDocument / fileEmail address

Searches major social networks for accounts with a given username and shows them on one page.

• Website
• Freemium

TakesUsername

Tracks a public Instagram account without logging in: recent follows and unfollows, stories and profile changes.

• Website
• Freemium

TakesUsername

Paste an image URL once and send it to many reverse image search, forensic and editing tools.

• Website
• Freemium

TakesImageURL

Free website security tests: TLS configuration, security headers, and exposure of the domain on the dark web and in phishing.

• Website
• Freemium
• Active
• Account

TakesURLDomain

View public Instagram profiles, posts and stories without logging in, so the account owner does not see your account.

• Website
• Freemium

TakesUsername

International telephone directory covering people and businesses in 70+ countries.

• Website
• Freemium

TakesPerson's namePhone numberCompany

Geolocates an IP address and shows its city, ISP, ASN and time zone on a map.

• Website
• Freemium

TakesIP address

Paid US people search and public-records reports: addresses, court records and relatives.

• Website
• Paid

TakesPerson's name

Type a place and jump straight into Google Street View, without going through the map first.

• Website
• Free

TakesLocation / coordinates

Browser extension for checking videos and images. It splits videos into keyframes for reverse search, reads metadata and applies forensic filters.

• Browser extension
• Free

TakesVideoImageSocial media post

Extracts IPs, URLs, domains, emails and hashes from reports and text, including "defanged" ones like hxxp and [.].

• Command line
• Free

TakesDocument / file

Unlimited free reverse DNS, subdomain and reverse CNAME lookups from The Hacker's Choice, with a JSON API.

• Website
• Free

TakesIP addressDomain

IP geolocation with ISP, ASN, usage type and detection of VPNs, proxies and Tor exits.

• Website
• Freemium

TakesIP address

Free domain WHOIS lookup with registrar, dates, name servers and registrant details where published.

• Website
• Free

TakesDomain

Looks up an IP address in several geolocation databases side by side, so you can see where they disagree.

• Website
• Free

TakesIP address

Maps an IP address to the network (ASN) and organisation that announces it. Free database and API.

• Website
• Free

TakesIP address

Checks an IP against dozens of blocklists and bundles related tools: WHOIS, reverse DNS and ping.

• Website
• Freemium

TakesIP address

Checks IPs, domains, emails and crypto wallets against many threat feeds and gives a reputation verdict.

• Website
• Freemium

TakesIP addressDomainEmail addressCrypto address

Online EXIF viewer that shows when and where a photo was taken and can strip the metadata from it.

• Website
• Freemium

TakesImage

Malware sandbox for Windows, Android, macOS and Linux samples and URLs. Reports behaviour, network traffic and indicators.

• Website
• Freemium

TakesDocument / fileFile hashURL

Scans a file with a dozen antivirus engines at once, or looks up earlier scans of the same file.

• Website
• Free

TakesDocument / fileFile hash

JPEG forensics in the browser: metadata, GPS, compression tables and automated checks for signs of editing.

• Website
• Freemium

TakesImage

Windows app that inspects how a JPEG was compressed and identifies whether it came straight from a camera or was re-saved by an editor.

• Desktop app
• Free

TakesImage

Free full-text search of hundreds of millions of US court cases.

• Website
• Free

TakesPerson's nameCompany

Open, crowdsourced street-level imagery, sometimes the only street photos available where Google has none.

• Website
• Free

TakesLocation / coordinates

Searches KartaView street-level photos by describing a scene or uploading a similar image, to find where a photo was taken.

• Website
• Freemium

TakesImageLocation / coordinates

Public profiles that link a username to verified accounts on other sites, PGP keys and crypto addresses.

• Website
• Free

TakesUsername

International B2B directory of companies by industry, with addresses and key contacts.

• Website
• Freemium

TakesCompany

Community platform for Android malware: look up an app by hash or package name to see detections, analyses and analyst comments.

• Website
• Freemium

TakesDocument / fileFile hash

USGS viewer for Landsat satellite imagery since 1972. Compare the same place across dates.

• Website
• Free

TakesLocation / coordinates

AI reverse image search with a face mode, plus search for places, duplicates and similar images.

• Website
• Freemium
• Account

TakesImage

Maps ties between powerful people and organisations: board seats, donations, lobbying and family links, with sources.

• Website
• Free

TakesPerson's nameCompany

Live map of news events in conflict zones worldwide, each pinned to a location with its source.

• Website
• Freemium

TakesLocation / coordinates

Finds the numeric Facebook ID of a profile, page or group from its URL; the ID stays the same when the username changes.

• Website
• Free

TakesURL

Free search of social platforms by email, name or username.

• Website
• Free

TakesEmail addressPerson's nameUsername

Builds a profile of a person from a username. Searches 3,000+ sites and pulls names, links and other identifiers out of the accounts it finds.

• Command line
• Free

TakesUsername

Graph-based link analysis. Run "transforms" on an entity (a domain, email or person) and see the connections drawn as a graph.

• Desktop app
• Freemium
• Account

TakesDomainEmail addressPerson's nameCompanyIP addressUsernamePhone number

Threat intelligence search aggregating 100+ sources, with a risk verdict for IPs, domains, URLs and file hashes.

• Website
• Freemium
• Account

TakesIP addressDomainURLFile hash

Malware sandbox that detonates files and URLs, and lets you search past public reports by IP, domain or hash.

• Website
• Freemium

TakesDocument / fileURLFile hashIP addressDomain

Estimates how many people were in a crowd by drawing its area on a map, to check claims about protest sizes.

• Website
• Free

TakesLocation / coordinates

Crowdsourced street-level photos from around the world, often covering places Google Street View does not.

• Website
• Freemium

TakesLocation / coordinates

Live ship positions and voyage history from AIS data. Look up a vessel by name, IMO or MMSI number.

• Website
• Freemium

TakesVessel

Extremely fast port scanner that can sweep large IP ranges in minutes.

• Command line
• Free
• Active

TakesIP address

The most widely used IP geolocation database. The website demo returns location, ISP and network type for an IP.

• Website
• Free

TakesIP address

Shows the technical metadata of a video or audio file: codec, encoder, creation date and sometimes the recording device.

• Desktop app
• Free

TakesVideo

Fast subdomain search built from Certificate Transparency logs, including subdomains that were never publicly linked.

• Website
• Freemium

TakesDomain

Shows all metadata in images, videos, audio, documents and e-books in the browser.

• Website
• Freemium

TakesImageVideoDocument / file

Scans files, hashes, URLs and IPs with 20+ antivirus engines and a sandbox, and shows the verdict from each.

• Website
• Freemium

TakesFile hashDocument / fileURLIP address

Traces crypto funds across 13+ chains as a graph, including heuristics for following money through mixers.

• Website
• Freemium
• Account

TakesCrypto address

Email intelligence platform that checks where an address is registered and gathers public profile data from 100+ sites.

• Website
• Freemium

TakesEmail address

Crypto anti-money-laundering tracer from SlowMist with hundreds of millions of labelled addresses and a risk score per address.

• Website
• Freemium
• Account

TakesCrypto address

Searches published PGP keys by name or email, revealing other addresses and names on the same key.

• Website
• Free

TakesEmail addressPerson's name

Free passive DNS: which IPs a domain has pointed to over time and which domains used an IP.

• Website
• Free

TakesDomainIP address

Monero block explorer for looking up blocks, transactions and payment IDs.

• Website
• Free

TakesCrypto address

Checks an IP or domain against hundreds of DNS blocklists and allowlists at once.

• Website
• Freemium

TakesIP addressDomain

Checks a domain's mail setup (MX, SPF, DKIM, DMARC) and whether a mail server's IP is on spam blocklists.

• Website
• Free

TakesDomainIP address

Map of redacted US traffic accident reports, searchable by place and date.

• Website
• Free

TakesLocation / coordinates

Checks whether a username is taken across social networks and whether the matching domain names are registered.

• Website
• Free

TakesUsernameDomain

Checks a username against 90+ social platforms and 30+ domain extensions to show where it is already registered.

• Website
• Free

TakesUsernameDomain

Screens a person or company name against sanctions lists, politically exposed persons and adverse media, with some free checks.

• Website
• Freemium

TakesPerson's nameCompany

Korea's leading map, with far better coverage of South Korea than Google, including its own street-level imagery.

• Website
• Freemium

TakesLocation / coordinates

Hosting history of a website: which providers and IPs it used over time, plus technologies and risk rating.

• Website
• Freemium

TakesDomainURL

Internet scan search engine: open ports, web responses, certificates, DNS and WHOIS for IPs and domains.

• Website
• Freemium
• Account

TakesDomainIP address

Extracts hosts, files, images, credentials and sessions from a network capture (PCAP) for forensic review.

• Desktop app
• Free

TakesDocument / file

Fast command-line check of a username across hundreds of sites.

• Command line
• Free

TakesUsername

The US government's VIN decoder: make, model, year, plant and specifications for vehicles sold in the US since 1981.

• Website
• Free

TakesVehicle / plate

Runs the Nikto web-server scanner against a site from a remote server to find outdated software, risky files and misconfigurations.

• Website
• Free
• Active

TakesURLDomain

The standard network scanner: finds live hosts, open ports, running services and their versions, and the operating system.

• Command line
• Free
• Active

TakesDomainIP address

Official US public-safety search across every state sex-offender registry.

• Website
• Free

TakesPerson's nameLocation / coordinates

Analyses a phone number against international numbering plans to show its country, number type and original carrier.

• Website
• Free

TakesPhone number

The US Treasury's official search of sanctioned people and companies, with fuzzy name matching.

• Website
• Free

TakesPerson's nameCompany

Checks whether a Tor .onion address exists and returns metadata the AIL project has collected about it.

• Website
• Freemium

TakesURLDomain

Scans the open ports of an IP or host from a remote server, so the scan does not come from your own connection.

• Website
• Free
• Active

TakesIP address

Search engine of internet scan and threat data: exposed services, vulnerabilities and leaks tied to an IP or domain.

• Website
• Freemium
• Account

TakesDomainIP address

Maps power lines, substations, telecom towers, pipelines and water infrastructure from OpenStreetMap.

• Website
• Free

TakesLocation / coordinates

Open database of cell tower locations worldwide. Shows towers on a map and can locate a phone from the tower it used.

• Website
• Free

TakesLocation / coordinates

The largest open database of companies, with officers, registered addresses and filings from 140+ jurisdictions.

• Website
• Freemium

TakesCompanyPerson's name

Railway map with tracks, stations, signals and speed limits, useful for identifying a rail line in a photo.

• Website
• Free

TakesLocation / coordinates

Open database of sanctioned people and companies, politically exposed persons and watchlists, merged from hundreds of sources.

• Website
• Freemium

TakesPerson's nameCompany

The largest NFT marketplace. A wallet or profile page shows the NFTs it holds, what it has traded and when.

• Website
• Freemium

TakesCrypto addressUsername

OpenSecrets: US political donations, lobbying and personal finances of politicians, searchable by donor or recipient.

• Website
• Free

TakesPerson's nameCompany

Community-edited world map, often more detailed than commercial maps for paths, buildings and small features.

• Website
• Free

TakesLocation / coordinates

Commercial database of hundreds of millions of companies with ownership structures, shareholders and financials.

• Website
• Paid
• Account

TakesCompany

Finds accounts registered to an email, phone number or username across hundreds of services and puts them on a timeline and map.

• Website
• Freemium
• Account

TakesUsernameEmail addressPhone numberCrypto address

Interactive shell that pulls data from an Instagram account: followers, tagged users, captions, photo locations and more.

• Command line
• Free
• Account

TakesUsername

Queries OpenStreetMap for places that match what a photo shows, for example a pharmacy next to a bus stop within 200 m of a river.

• Website
• Free

TakesLocation / coordinatesImage

UK government page linking to the official company registry of nearly every country, a quick way to find the right register to search.

• Website
• Free

TakesCompany

Maps an organisation's external attack surface, finding subdomains through passive sources, DNS enumeration and certificate data.

• Command line
• Free
• Active

TakesDomainCompany

The official US federal court records system: dockets and filings by party name, for a per-page fee.

• Website
• Paid
• Account

TakesPerson's nameCompany

pdfid and pdf-parser: scan a PDF for risky elements like JavaScript and embedded files, then extract them for analysis.

• Command line
• Free

TakesDocument / file

Directory of networks and where they connect: which data centres and internet exchanges an organisation is present in.

• Website
• Free

TakesCompanyIP address

Generates ready-made Google search operators (dorks) for a domain to find exposed files, login pages and directory listings.

• Website
• Freemium

TakesDomain

Web-based subdomain discovery combining DNS, certificates and search engines, with a free limited tier.

• Website
• Freemium
• Account

TakesDomain

Free-tier screening of a name against politically exposed persons and global sanctions lists.

• Website
• Freemium
• Account

TakesPerson's name

Database of phishing URLs seen in the wild. Search a domain or IP to see phishing pages hosted on it.

• Website
• Free

TakesDomainIP addressURL

Tells you whether a US phone number is a mobile, landline, VoIP or prepaid line, which helps spot throwaway numbers.

• Website
• Free

TakesPhone number

Collects basic information about an international phone number (country, carrier, line type) and generates search queries to find where it appears online.

• Command line
• Free

TakesPhone number

Generates the valid phone numbers that match a partial number, such as the masked digits a password-reset page shows.

• Website
• Free

TakesPhone number

Reads a photo's EXIF data and plots its GPS location on a map.

• Website
• Freemium

TakesImage

AI that predicts where a photo was taken from what it shows, with a confidence map of likely locations.

• Website
• Freemium

TakesImage

Face-recognition search engine: finds other photos of the same face on public websites.

• Website
• Freemium

TakesImage

Finds the Microsoft 365 / Azure tenant behind a domain, and the other domains registered to the same tenant.

• Website
• Free

TakesDomain

Identity-resolution platform linking names, emails, phones and usernames to one person. Enterprise customers only.

• Website
• Paid
• Account

TakesEmail addressPhone numberPerson's nameUsername

Finds social accounts linked to an email, phone number, username or name.

• Website
• Freemium

TakesEmail addressPhone numberUsernamePerson's name

Estimates when a social media or WhatsApp profile picture was uploaded from the image URL.

• Website
• Freemium

TakesImageURL

Community honeypot project; search an IP to see if it harvested emails, sent spam or attacked web forms.

• Website
• Free

TakesIP address

Search archive of Reddit posts and comments, including many that were later deleted or removed.

• Website
• Free

TakesUsernameSocial media post

Threat-intelligence lookups for IPs, domains and URLs, combining OSINT feeds with risk scores and related indicators.

• Website
• Freemium
• Account

TakesDomainIP addressURL

Scans Office documents and PDFs for exploits and hidden macros and scores how likely the file is to be malicious.

• Website
• Freemium

TakesDocument / file

Checks whether an email address exists by asking its mail server, without sending an email. Open source, also available as a hosted API.

• Website
• Free
• Active

TakesEmail address

Modular reconnaissance framework with a Metasploit-style console. Its modules pull data from public sources and APIs into a local database.

• Command line
• Free

TakesDomainCompanyEmail addressPerson's name

Summarises a Reddit account's activity: most active subreddits, posting times, top posts and words that hint at location or interests.

• Website
• Free

TakesUsername

Property listings with sale history, tax history and photos for US homes.

• Website
• Free

TakesLocation / coordinates

US and Canadian parcel map showing property boundaries and the recorded owner of each lot.

• Website
• Freemium

TakesLocation / coordinates

Maps how a domain or IP connects to others: shared name servers, mail servers, reverse DNS and network ranges.

• Website
• Free

TakesDomainIP address

Russian company register data: owners, directors, finances and court cases for Russian legal entities.

• Website
• Freemium

TakesCompanyPerson's name

Telegram bot that shows the history of name and username changes for a Telegram account.

• Website
• Free

TakesUsername

SANS Internet Storm Center: look up an IP to see how often it has attacked the sensors of thousands of volunteers, and on which ports.

• Website
• Free

TakesIP address

Windows app that views, downloads and stitches satellite imagery from many providers for offline comparison.

• Desktop app
• Freemium

TakesLocation / coordinates

Satellite maps from several providers (Google, Bing, Esri, Yandex) in one viewer, to compare imagery of a place.

• Website
• Freemium

TakesLocation / coordinates

Reverse image search specialised in artwork, anime and manga, tracing reposts back to the original artist.

• Website
• Freemium

TakesImage

User reports of scams, searchable by phone number, email address or website.

• Website
• Free
• Account

TakesPhone numberEmail addressURL

Long-running community list of domains and URLs that spread malware and spyware.

• Website
• Free

TakesDomainURL

Face search over profile photos from VK, Odnoklassniki, TikTok and Clubhouse; strongest for Russian-speaking users.

• Website
• Freemium

TakesImage

Professional US people search: verify phones, find addresses and run batch lookups for investigators.

• Website
• Freemium

TakesPerson's namePhone number

Free US reverse lookup by phone, name, address or email.

• Website
• Free

TakesPhone numberPerson's nameEmail address

Directory of official US public-records databases for every state and county.

• Website
• Freemium

TakesPerson's nameLocation / coordinates

Current and historical DNS records, WHOIS data and subdomains for a domain. The history shows where a site was hosted before.

• Website
• Freemium
• Account

TakesDomainIP address

Browser version of Bellingcat's ShadowFinder: from an object's shadow length and the time, maps where a photo could be.

• Website
• Free

TakesImageLocation / coordinates

Checks whether a username exists on 400+ social networks and websites.

• Command line
• Free

TakesUsername

Reverse lookup across 800+ open sources for an email, phone, name, username, domain or IP, with AI summaries.

• Website
• Freemium

TakesEmail addressPhone numberPerson's nameUsername

Search engine for internet-connected devices. Shows the open ports, service banners and known vulnerabilities for an IP or search.

• Website
• Freemium
• Account

TakesIP addressDomain

Satellite imagery marketplace with a free open-data section; order new or archived high-resolution images of a place.

• Website
• Freemium
• Account

TakesLocation / coordinates

Finds email addresses published on the web for a company domain or a person.

• Website
• Freemium

TakesDomainPerson's name

Username search across thousands of sites, with especially strong coverage of Russian-language platforms.

• Command line
• Free

TakesUsername

Finds a person's profiles across 1,000+ sites by username and scores how likely each match really is them. CLI and web app.

• Command line
• Free

TakesUsername

Growth history for YouTube, Twitch, Instagram and TikTok accounts: follower counts, uploads and past usernames over time.

• Website
• Freemium

TakesUsername

Checks whether an online contact is who they claim to be: reverse search by name, phone, email or photo. Aimed at romance-scam victims.

• Website
• Paid

TakesPerson's namePhone numberEmail addressImage

Searches recent public posts across several social networks and the web for a name, keyword or username.

• Website
• Freemium

TakesUsernameSocial media post

Searches public WeChat articles and official accounts, which ordinary search engines do not index.

• Website
• Free

TakesUsernameSocial media post

Checks whether an IP or domain is on Spamhaus blocklists and why (spam, botnet, compromised host).

• Website
• Freemium

TakesIP addressDomain

Automates OSINT collection with 200+ modules. Give it a domain, IP, email, name or username and explore the results in a web UI.

• Command line
• Free
• Active

TakesDomainIP addressEmail addressPerson's nameUsernamePhone number

US people search aggregating public records, social profiles and contact details; detailed reports are paid.

• Website
• Freemium

TakesPerson's namePhone numberEmail address

Free US reverse phone lookup that returns the likely owner, plus name and address search.

• Website
• Freemium

TakesPhone numberPerson's name

Telegram bot showing TON wallet balances, NFT owners and who holds a given Fragment (Telegram) username.

• Website
• Freemium

TakesCrypto addressUsername

Tests a server's TLS setup and shows its certificate chain, supported protocols and known weaknesses.

• Website
• Free
• Active

TakesDomain

Open-source tool that analyses a public Steam profile: friends list and the locations that friends suggest.

• Website
• Free

TakesUsername

Fast, passive subdomain discovery that queries dozens of online sources and never touches the target directly.

• Command line
• Free

TakesDomain

Finds subdomains of a domain by querying search engines and passive DNS sources, with optional brute forcing.

• Command line
• Free

TakesDomain

Scans a website for known malware, spam injections, blocklisting and outdated software.

• Website
• Free
• Active

TakesURLDomain

Shows the sun's position and shadow direction for any place and time, to check when a photo was taken or narrow down where.

• Website
• Free

TakesLocation / coordinatesImage

Official registry lookup for Swiss .ch and Liechtenstein .li domains.

• Website
• Free

TakesDomain

Searches for a username, then branches out automatically as it discovers linked names, emails and accounts.

• Command line
• Free

TakesUsername

All-in-one lookup for domains, IPs, emails and phone numbers, bundling WHOIS, DNS, reputation and breach checks.

• Website
• Free

TakesUsernameEmail addressPhone numberDomainIP address

Caller ID app with a crowdsourced database; look up a number to see the name and photo others saved it with.

• Website
• Freemium

TakesPhone number

Maps IPs to their network, owning organisation and country, one at a time or in bulk.

• Website
• Free

TakesIP address

Custom Google search limited to Telegram, for finding public channels, groups and posts by keyword.

• Website
• Free

TakesUsernameSocial media post

Finds the Telegram account linked to a phone number, email or LinkedIn profile.

• Website
• Freemium

TakesPhone numberEmail addressURL

Search engine for messages in public Telegram channels and groups, with a limited free plan.

• Website
• Freemium

TakesUsernameSocial media post

Catalogue and analytics of Telegram channels and groups: subscriber growth, mentions, forwards and post search.

• Website
• Freemium
• Account

TakesUsernameSocial media post

Free US reverse lookup by email, phone, name, address or IP.

• Website
• Free

TakesEmail addressPhone numberPerson's nameIP address

Catalogue of UK government records: military service, wills, immigration and more, many digitised.

• Website
• Freemium

TakesPerson's name

Collects emails, names, subdomains, IPs and URLs for a domain from search engines, certificate logs and other public sources.

• Command line
• Free

TakesDomain

International phone directory lookup (formerly Numberway). Finds the right national directory for a foreign number.

• Website
• Freemium

TakesPhone number

Searches millions of usernames seen on criminal forums and marketplaces to show where a handle has been active.

• Website
• Freemium

TakesUsername

Finds where an image appears online and can sort results by date, which helps find the oldest copy and the original source.

• Website
• Freemium

TakesImage

Extracts information from a Telegram bot token and its chats: bot owner, groups it is in and chat members.

• Command line
• Free

TakesURL

Geolocates where a photo was taken by drawing sight lines to landmarks you can identify on a map. Runs in the browser.

• Website
• Free

TakesImage

Startup and private company profiles: funding rounds, investors, acquisitions and key people.

• Website
• Freemium

TakesCompany

Salaries and pensions of California public employees, from state agencies to school districts.

• Website
• Free

TakesPerson's nameCompany

Shows Trend Micro's safety rating and category for a website.

• Website
• Free

TakesURLDomain

Caller ID app with a large crowdsourced database. Look up a number to see the name people saved it under and any spam reports.

• Website
• Freemium
• Account

TakesPhone number

Telegram bot that resolves a numeric Telegram user ID back to the current username.

• Website
• Free

TakesUsername

Converts an X/Twitter handle to its permanent numeric ID and back. The ID stays the same when the handle changes.

• Website
• Free

TakesUsername

Developer API that returns a phone number's carrier, line type and, in some countries, the registered caller name.

• API
• Paid
• Account

TakesPhone number

UK directory of people and businesses from public telephone listings and company data.

• Website
• Freemium

TakesPerson's name

The official list of people and entities under UN Security Council sanctions, with identifiers and reasons.

• Website
• Free

TakesPerson's nameCompany

Telegram bot that shows which accounts have held a Telegram username over time.

• Website
• Free

TakesUsername

Extracts the configuration from malware samples without running them, revealing command-and-control servers and keys.

• Website
• Free

TakesFile hashDocument / file

US state and federal court case search with party, attorney and judge data.

• Website
• Freemium

TakesPerson's nameCompany

Checks whether a Reddit username has been banned for scamming across trading subreddits.

• Website
• Free

TakesUsername

Scans a URL in a sandboxed browser and records screenshots, requests, certificates and phishing indicators.

• Website
• Freemium

TakesURLDomain

abuse.ch's database of URLs used to spread malware, with the payloads they delivered and when they were active.

• Website
• Free

TakesURLDomainIP addressFile hash

Opens a URL in a sandbox and reports scripts, redirects, requests and alerts for malicious content.

• Website
• Free
• Active

TakesURL

Loads a URL in a sandboxed browser and records every request, redirect, screenshot and technology the page uses.

• Website
• Freemium
• Active

TakesURLDomainIP address

Checks a website against dozens of blocklists and reputation services to spot scam and malware sites.

• Website
• Free

TakesURLDomain

Free web search for a username across thousands of sites.

• Website
• Freemium

TakesUsername

Checks whether a username or email address is registered on 1,000+ sites across social, developer and gaming platforms.

• Command line
• Free

TakesUsernameEmail address

Telegram bot that returns the permanent numeric ID of a user, group or channel, which survives username changes.

• Website
• Free

TakesUsername

Searches for a username, email or phone across 3,000+ sites, including dating sites and forums.

• Website
• Freemium

TakesUsernameEmail addressPhone number

Search and download satellite imagery (Landsat, Sentinel) and historical aerial photos for any area and date range.

• Website
• Free
• Account

TakesLocation / coordinates

Free US reverse phone and address lookup showing the likely owner and their other numbers.

• Website
• Free

TakesPhone numberPerson's name

Official US patent and application search by inventor, assignee or keyword.

• Website
• Free

TakesPerson's nameCompany

Locates an IP address or domain on a map with its provider and network owner.

• Website
• Free

TakesDomainIP address

Free search of current and historical DNS, including which domains pointed to an IP and when.

• Website
• Freemium

TakesDomainIP address

Live ship positions from AIS. Look up a vessel by name, IMO or MMSI number to see its location, destination and recent port calls.

• Website
• Freemium

TakesVessel

Live ship tracking from terrestrial and satellite AIS, with vessel details and port calls.

• Website
• Freemium

TakesVessel

Dozens of free DNS tools, notably reverse IP (other sites on a server) and reverse WHOIS (other domains owned by the same person).

• Website
• Free

TakesDomainIP addressEmail addressPerson's name

Free VIN decoder returning make, model, year, engine and open recalls.

• Website
• Free

TakesVehicle / plate

Checks the custody status of an offender in US jails and prisons, mainly for victims of crime.

• Website
• Free

TakesPerson's name

Scans files, URLs, domains, IPs and hashes with 70+ security engines and shows how they relate to one another.

• Website
• Freemium

TakesFile hashURLDomainIP addressDocument / file

Finds a person's work email address from their name and company domain, and verifies it.

• Website
• Freemium

TakesPerson's nameDomain

US voter registration records: name, address, party and voting history where states make them public.

• Website
• Free

TakesPerson's nameLocation / coordinates

Groups Bitcoin addresses into wallets and labels known exchanges and services, so you can follow funds between entities.

• Website
• Free

TakesCrypto address

Identifies the technologies a website uses. Its free browser extension works on any page you visit.

• Website
• Freemium
• Account

TakesURLDomain

Archived snapshots of web pages going back to 1996. See how a site looked, and what it said, before it was changed or deleted.

• Website
• Free

TakesURLDomain

Internet Archive's browser extension. Save the page you are on, or load its archived copy when a link is dead.

• Browser extension
• Free

TakesURL

Downloads every Wayback Machine snapshot of a URL, with optional date filters, so you can compare versions offline.

• Command line
• Free

TakesURL

Command-line and Python interface to the Wayback Machine: save pages, list every snapshot, or fetch the oldest or newest copy.

• Command line
• Free

TakesURL

Links to the official white and yellow pages directories of countries worldwide.

• Website
• Free

TakesPerson's namePhone numberCompany

Open-source all-in-one website report: IP, DNS, TLS, headers, cookies, tech stack, open ports and more.

• Website
• Free

TakesURLDomain

Searches the web for a person's name and ranks their online visibility, listing pages and profiles that mention them.

• Website
• Free

TakesPerson's name

IP and domain intelligence: hosting, network owner, related domains and risk indicators.

• Website
• Freemium

TakesDomainIP address

One-page summary of a website: owner WHOIS, hosting IP, DNS, traffic estimate and similar sites.

• Website
• Free

TakesDomainURL

Web front end for the WhatsMyName community dataset. Checks a username across hundreds of sites from your browser.

• Website
• Free

TakesUsername

Identifies a font from an image against a catalogue of over 200,000 fonts.

• Website
• Free

TakesImage

Follows every redirect of a link and lists each hop, including tracking and affiliate redirects.

• Website
• Free

TakesURL

The largest US people directory: names, current and past addresses, phone numbers and relatives. Reverse phone lookups too.

• Website
• Freemium

TakesPerson's namePhone number

WHOIS and RDAP lookup for domains and IPs, plus DNS records and the history of name server changes.

• Website
• Free

TakesDomainIP address

Archive of billions of current and historical WHOIS records. Click an email or name to find every other domain registered with it.

• Website
• Freemium

TakesDomainEmail addressPerson's name

Crowdsourced map of Wi-Fi networks. Look up where a network name (SSID) or router address (BSSID) has been seen.

• Website
• Freemium
• Account

TakesWi-Fi / BSSIDLocation / coordinates

Collaborative map where users label buildings and places with descriptions, often naming sites mainstream maps do not.

• Website
• Freemium

TakesLocation / coordinates

The standard network protocol analyser: capture traffic or open a PCAP and inspect every packet.

• Desktop app
• Free

TakesDocument / file

Live world map combining conflict reports, military flights and ships, GPS jamming and satellite imagery.

• Website
• Freemium

TakesLocation / coordinates

Free worldwide legal database: court decisions and legislation from 100+ countries.

• Website
• Free

TakesPerson's nameCompany

Monero block explorer for looking up transactions and blocks. It runs without JavaScript and is also available over Tor.

• Website
• Free

TakesCrypto address

Reverse image search with strong face and scene matching. It often finds matches that other engines miss.

• Website
• Free

TakesImage

Maps with the best coverage of Russia and neighbouring countries, including Yandex's own street-level panoramas.

• Website
• Free

TakesLocation / coordinates

People search engine that gathers web pages, profiles and news mentioning a name.

• Website
• Free

TakesPerson's nameCompany

Ukrainian company data: registration, owners, directors, court cases and links between companies.

• Website
• Freemium

TakesCompanyPerson's name

Simple network tools, best known for reverse IP lookup (other sites on the same server) and open-port checks.

• Website
• Free

TakesIP addressDomain

Research tool that exports data about YouTube channels, videos and comments and maps networks of related channels.

• Website
• Free

TakesVideoUsername

Finds YouTube videos geotagged near a location, or lists every video from a channel on a map.

• Website
• Free

TakesLocation / coordinates

Shows all metadata for a YouTube video, playlist or channel, with exact upload time, geotag and links to reverse-search thumbnails.

• Website
• Free

TakesVideoURL

Downloads video and its metadata (title, uploader, dates, description, comments) from YouTube and thousands of other sites.

• Command line
• Free

TakesURLVideo

Free US people search by name that shows address history and links to paid reports.

• Website
• Freemium

TakesPerson's name

Archive of website defacements with mirrors of the defaced pages and the attacker names that claimed them.

• Website
• Free

TakesDomain

Near-real-time satellite imagery and weather maps, useful for checking conditions at a place on a given day.

• Website
• Free

TakesLocation / coordinates

Scores how risky a URL is from its content, link patterns and host reputation.

• Website
• Free
• Active

TakesURL