Security Tools
Security Utilities
Client-Side & Private
Password analysis, hash verification, certificate inspection, and TOTP generation — all processed locally in your browser. Nothing leaves your device.
Most used
Password Strength Checker
Analyze password strength with entropy score, feedback, and a visual meter.
Password Entropy Calculator
Analyze password charset and calculate entropy bits from detected character types.
Hash Compare Tool
Compare two hashes side-by-side with case-insensitive matching.
New
SSL Certificate Decoder
Parse PEM certificates and view subject, issuer, validity dates, and fingerprint.
TOTP Generator
Generate time-based one-time passwords from a base32 secret using HMAC-SHA1.
5
Security tools
more coming
254
Total tools live
across 15 categories
100%
Private
client-side only