Tools

Ten lookup utilities. No accounts; light rate limiting keeps them free for everyone (roughly a dozen checks per minute).

Breaches & credentials

Breach checkerFull-address and domain-level breach check for any email address.Password checkerTest password strength locally and check it against billions of leaked passwords.

Identity

Email validatorCheck syntax, mail server records, disposable domains, and typos before you hit send.Full name lookupSearch a person's name across GitHub, Bluesky, books and Wikidata, with guided pivots.Username searchCheck where a username has public profiles across 30 platforms, including adult sites.

Network

IP lookupCountry, city estimate, ISP, and ASN for any IP address, or your own.DNS lookupQuery live A, AAAA, MX, TXT, NS, CNAME, and SOA records for any domain.Security header scannerGrade a website's HTTP security headers and see exactly what to fix.

Utilities

Google dork builderBuild advanced search queries with operators, no syntax memorizing needed.Hash & encoding labSHA-256/384/512 digests plus Base64 and URL encoding, computed offline in your tab.

New to this? Start with the breach checker or read the beginner's guide to OSINT.