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Security & Hash

Password, MD5, SHA256, JWT, UUID, Encrypt, HMAC, QR

Password Generator
Cryptographically secure password generator.
Password Strength
Password strength checker with 8-rule scoring.
HIBP Checker
HaveIBeenPwned k-anonymity check.
MD5
Server-side MD5 hash generator.
SHA-256
Server-side SHA-256 and SHA-512 hash generator.
JWT Decoder
Client-side JWT decoder with expiry check.
UUID Generator
Client-side UUID v4 generator.
Encrypt/Decrypt
Client-side AES-GCM encrypt/decrypt with PBKDF2.
Hash Comparer
Server-side timing-safe hash comparison.
HMAC
Server-side HMAC generator for SHA-256/512/1/MD5.
Secure Random
Server-side cryptographically secure random bytes generator.
QR Code
Client-side QR code generator with PNG/SVG export.