Security Calculators
Passwords, hashing, encryption
Generate strong passwords, create UUIDs, hash strings with industry-standard algorithms, and verify checksums. All security tools run entirely in your browser — no data is transmitted to any server. Your sensitive information stays on your device where it belongs.
Password Strength Checker
Test how strong your password is with detailed analysis.
UUID Generator
Generate random UUIDs (v4) and other UUID versions.
Random String Generator
Generate random strings with custom length and characters.
Bcrypt Generator
Generate and verify bcrypt password hashes.
JWT Decoder
Decode and inspect JSON Web Token payloads.
HTPASSWD Generator
Generate Apache htpasswd entries for basic auth.
API Key Generator
Generate secure random API keys and tokens.
Checksum Calculator
Calculate file checksums using MD5, SHA-1, SHA-256.