OSINT Tools
Free, open-source intelligence tools. DNS lookup, WHOIS, port scanning, SSL checks, and more — no signup required.
Network
(9 tools)DNS lookup, reverse DNS, subdomain discovery, port scanning, ping, traceroute, 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-sideDNS Propagation
Check DNS propagation across multiple public resolvers. Compare Google, Cloudflare, Quad9, and more.
Server-sidePing
Measure HTTP response time to any host. Shows min, avg, and max latency over multiple requests.
Server-sideTraceroute
Trace the network path to a host. Shows DNS resolution, IP geolocation, and AS path information.
Server-sideWebsite
(6 tools)SSL certificates, HTTP headers, security headers, WHOIS, technology detection, and Open Graph preview.
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-sideOpen Graph Preview
Preview how a URL appears when shared on social media. Extract Open Graph and Twitter Card meta tags.
Server-sideTechnology Detector
Detect web technologies, frameworks, CMS, CDNs, and analytics from any URL.
Server-sideMX records, SPF/DKIM/DMARC validation, email header analysis, and deliverability checks.
Encoding
(5 tools)Hash generation, Base64 encoding, URL encoding, JWT decoding, and timestamp conversion.
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-sideTimestamp Converter
Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds.
Client-side