Security Tools

Password generators, hash tools, encoders

Security tools that run entirely client-side — a password generator or hash tool that sends your data to a server defeats its own purpose, so everything here stays on your device.

Cryptographically random password generator
Password strength checker with entropy estimate
SHA-256 hash generator (Web Crypto API)
HMAC-SHA256 generator for API authentication
htpasswd generator for Apache/Nginx
RSA key pair generator

Password Generator

Generate strong, random passwords with custom rules.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text input.