Web-Based
Tools that are used directly through a website in a browser, with no install required.
ADS-B Exchange
Live and historical aircraft tracking built from crowdsourced, unfiltered ADS-B receiver data.
Ahmia
Search engine for Tor hidden services (.onion), excluding abuse material.
Aleph
OCCRP's platform for searching and cross-referencing leaked and public documents and data.
AlienVault OTX
Open Threat Exchange sharing community indicators of compromise.
Bellingcat Online Investigation Toolkit
Curated, maintained directory of open-source investigation tools.
BreachDirectory
Free lookup to see if an email or username appears in public breaches.
Censys
Search engine for internet-facing hosts, certs, and services.
DNSDumpster
Free domain research tool that maps a domain's subdomains and hosts.
Datashare
ICIJ's tool for indexing, searching and extracting entities from large document sets.
DeHashed
Search engine over billions of breached credentials and personal records.
Epieos
Reverse email lookup and digital-footprint tracing.
FaceCheck.ID
Facial-recognition search engine that finds where a face appears across the web.
FastPeopleSearch
Free US people lookup by name, phone or address.
Flare
Threat-exposure and dark-web monitoring: finds leaked credentials, stealer logs, and exposed data.
Flightradar24
Live and historical aircraft flight tracking.
FotoForensics
Online error-level analysis and metadata inspection to detect edited images.
Google Earth
Satellite imagery and 3D globe for exploring and measuring locations.
Google Hacking Database
Exploit-DB's curated archive of Google search queries ("dorks") that surface exposed data.
Google Lens
Google's visual search to identify objects, places and text in images.
GreyNoise
Labels internet background scan and attack traffic to separate noise from real threats.
Have I Been Pwned
Checks emails/accounts against known breaches.
Hunter.io
Finds and verifies professional email addresses associated with a domain.
IntelTechniques
Michael Bazzell's OSINT search tools, books and training resources.
Intelligence X
Search engine over leaks, pastes, darknet and historical web data.
Jimpl
Online EXIF viewer showing a photo's hidden camera, GPS and timestamp data.
LeakCheck
Data-breach search engine for exposed emails, usernames and passwords.
LittleSis
Free database mapping relationships between powerful people and organizations.
MISP
Open-source platform for sharing and correlating threat intelligence.
MarineTraffic
Live and historical ship and vessel tracking via AIS.
Max Intel
Browser platform with a large set of free utilities for email, phone, and username pivots.
Namechk
Checks whether a username or domain is available or already taken across many sites.
Neo4j
Graph database for storing and querying connected data and relationships.
Netlas
Internet-wide scanning and attack-surface search platform.
OSINT Framework
Web directory categorizing hundreds of OSINT tools and data sources.
OSINT Industries
Paid platform for reverse email/phone/username lookups across hundreds of services.
OSINT.SH
All-in-one web toolkit: DNS history, reverse IP, WHOIS.
OpenCorporates
Largest open database of companies and their officers from official registries.
OpenSanctions
Open database of sanctioned entities, politically exposed persons and other watchlists.
OpenStreetMap
Free, editable world map with rich open geographic data.
Overpass Turbo
Query and visualize OpenStreetMap data by feature and area.
Picarta
AI tool that predicts where a photo was taken from its visual content.
PimEyes
Facial-recognition search engine that finds where a face appears online.
PublicWWW
Search engine that finds websites by matching source-code snippets, IDs or scripts.
SecurityTrails
Historical DNS, WHOIS and subdomain data for domains and IP addresses.
Shodan
Search engine for internet-connected devices, servers, and IoT.
Snusbase
Paid breach-search database indexing leaked credentials and personal data.
Social Searcher
Free real-time search engine for public social-media posts and mentions.
SpiderFoot
Automates threat-intel and reconnaissance gathering.
Spokeo
People-search service aggregating public records and social profiles.
SunCalc
Shows sun position and shadow direction for any place and time, used to verify photo timing.
TGStat
Analytics platform for searching and tracking Telegram channels and groups.
Telegago
Google Custom Search engine scoped to indexed Telegram channel content.
ThatsThem
Free people search aggregating names, addresses, emails and phone numbers.
Timesketch
Open-source collaborative forensic timeline analysis tool.
TinEye
Reverse image search that finds where an image appears and its earliest known use.
TruePeopleSearch
Free US people search returning addresses, phone numbers and relatives.
ViewDNS.info
Collection of free DNS, WHOIS, reverse-IP and network lookup tools.
VirusTotal
Scans files and URLs against many engines and aggregates threat intel.
Wappalyzer
Identifies the technology stack (CMS, frameworks, analytics) a website runs.
Wayback Machine
Internet Archive's index of historical snapshots of web pages.
WhatsMyName
Enumerates a username's presence across sites.
Whoxy
WHOIS lookup and reverse-WHOIS history, including registrant-name search.
WiGLE
Crowdsourced map and database of Wi-Fi networks and cell towers by location.
Yandex Images
Reverse image search noted for strong face and location matching.
ZoomEye
Cyberspace search engine mapping internet-exposed devices, services and components.
archive.today
Web archiving service that saves and serves permanent snapshots of pages on demand.
crt.sh
Searches Certificate Transparency logs to enumerate a domain's certificates and subdomains.
grep.app
Search engine for source code across public GitHub repositories.
urlscan.io
Sandboxes and analyzes websites, capturing requests, screenshots and tech.