Password analysis, hash verification, certificate inspection, and TOTP generation — all processed locally in your browser. Inputs are not sent to our servers.
Analyze password strength with entropy score, feedback, and a visual meter.
Generate strong, secure passwords. Crypto-random, custom length and character sets.
Analyze password charset and calculate entropy bits from detected character types.
Compare two hashes side-by-side with case-insensitive matching.
Parse PEM certificates and view subject, issuer, validity dates, and fingerprint.
Generate time-based one-time passwords from a base32 secret using HMAC-SHA1.