OSINT Tools
Free, open-source intelligence tools. DNS lookup, WHOIS, port scanning, SSL checks, and more — no signup required.
Network
(6 tools)DNS lookup, reverse DNS, subdomain discovery, port scanning, and IP geolocation tools.
DNS Lookup
Query DNS records for any domain — A, AAAA, CNAME, MX, TXT, NS, and SOA records.
Server-sideReverse DNS
Find the hostname associated with an IP address via PTR record lookup.
Server-sideSubdomain Finder
Discover subdomains using certificate transparency logs from crt.sh.
Server-sidePort Scanner
Scan common ports on a host to identify open services. Checks top 20 TCP ports.
Server-sideIP Geolocation
Find the geographic location, ISP, and organization for any IP address.
Server-sideMX Lookup
Find mail exchange servers and priorities for any domain.
Server-sideWebsite
(4 tools)SSL certificates, HTTP headers, security header analysis, and WHOIS lookup.
WHOIS Lookup
Look up domain registration details including registrar, dates, and name servers via RDAP.
Server-sideSSL Certificate Check
Check SSL/TLS certificate details, expiration, issuer, and chain validity.
Server-sideHTTP Headers
View all HTTP response headers returned by any URL. Analyze server configuration.
Server-sideSecurity Headers
Grade HTTP security headers — CSP, HSTS, X-Frame-Options, and more.
Server-sideMX records, SPF/DKIM/DMARC validation, and email deliverability checks.
Encoding
(4 tools)Hash generation, Base64 encoding, URL encoding, and JWT decoding.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text input.
Client-sideBase64 Encode/Decode
Encode text to Base64 or decode Base64 strings back to plain text.
Client-sideURL Encode/Decode
Encode or decode URL-encoded strings. Handle special characters in URLs.
Client-sideJWT Decoder
Decode JSON Web Tokens to inspect header, payload, and signature.
Client-side