OSINT tools, reviewed and classified.
Find tools by research topic, see access requirements and limitations, and run supported checks.
- total
- 39
- active
- 39
- deprecated
- 0
39 tools.
Cards show the primary category, status, risk class and access level.
Security Headers Checker
Inspect HTTP security headers on any public URL.
DNS / MX / SPF / DMARC Inspector
Resolve DNS, mail-routing and email-authentication posture for a domain, including deep SPF/DMARC analysis.
Robots.txt + Sitemap + Meta Analyzer
Inspect robots.txt, sitemap discovery and head meta of a page.
Redirect Chain & Response Inspector
Follow every hop of a URL and report the response chain.
Tech Stack Snapshot
Lightweight tech-stack fingerprint for a public URL.
OpenCorporates
Search company records across many official registries in one place.
OpenSanctions
Search open sanctions, PEP and related-risk datasets in a unified format.
GLEIF LEI Lookup & Entity Resolver
Resolve legal entities by name or exact Legal Entity Identifier using GLEIF reference data.
OCCRP Aleph
Search public records, datasets and documents for investigative research.
Nominatim Geocoder & Reverse Geocoder
Convert public place/address queries to coordinate candidates or coordinates to nearby OpenStreetMap place records.
crt.sh
Search certificate-transparency logs for certificates and related hostnames.
RDAP Domain Lookup
Query authoritative domain registration data through IANA-discovered RDAP services.
urlscan.io
Submit a URL to a sandboxed browser and inspect the resulting web requests and artifacts.
IP & ASN RDAP Ownership
Query authoritative registry allocation data for a public IP address or autonomous system number.
SecurityTrails
Explore current and historical DNS, domain and infrastructure data.
BuiltWith
Identify technologies, frameworks and services used by a website.
RouteViews BGP Lookup
Observe BGP prefixes and origin ASNs using public RouteViews collector data.
Censys
Search internet-facing assets and certificates across a large internet map.
TLS Certificate Inspector
Inspect the certificate, chain, validity and negotiated TLS metadata presented on TCP/443.
Reverse DNS / PTR Intelligence
Resolve PTR names for a public IP and forward-check whether each hostname maps back to the original address.
TinEye
Run reverse-image searches to find copies, origins and variants of an image.
Wikidata Person Records
Find public person candidates by name or inspect a qualified Wikidata record.
GitHub Username Profile
Observe a public GitHub profile for a username without inferring its owner.
Email Domain Context
Inspect email structure and domain mail routing without probing the mailbox.
Phone Numbering Context
Analyze international phone format and numbering-plan metadata locally.
Bluesky Public Profile
Observe a public Bluesky profile, its current handle and stable DID without inferring its owner.
Bluesky Social Graph
Observe a bounded public sample of followers and following around a Bluesky account.
WhatsMyName Username Coverage
Check a bounded curated set of public profile sites for a username.
ExifTool
Read, write and inspect metadata across many file types.
Forensically
Use browser-based image-forensics tools for visual tampering analysis.
Google Fact Check Explorer
Search claims and fact checks already published by independent fact-checkers.
VirusTotal
Check files, URLs and indicators against many security engines and community context.
AlienVault OTX
Browse and share open threat-intelligence indicators and pulses.
Hunchly
Capture, preserve and organize web evidence with audit-friendly context.
Wayback Machine
Find archived captures of a public web page, with capture dates and links to the Internet Archive.
SingleFile
Save a full web page into one self-contained HTML file.
ArchiveBox
Self-host web archiving and preserve URLs, media and page assets under your control.
SpiderFoot
Automate multi-source OSINT collection and correlation from a single workflow.
Maltego
Map entities and relationships for complex OSINT and cyber investigations.