Collection
Fast, privacy-first utilities that run completely inside your browser. No data ever leaves your device.
8 tools
Decode and inspect JWT tokens instantly.
Generate strong, random passwords.
Decode X.509 certificates into readable fields.
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
Generate and verify bcrypt password hashes.
Generate HMAC signatures with SHA-256/SHA-512.
Estimate password strength and entropy.
Convert PEM-encoded certificates to DER format.