Hash text or verify a local file against a published checksum.
Your text and files are hashed entirely in your browser. Nothing is stored, logged, or sent to a server.
PEM / Certificate Decoder
Inspect local X.509 certificates, validity, usages, SANs, and fingerprints.
JWT Decoder
Decode JWT headers and payloads — no secret needed.
Password Generator
Generate secure random passwords with configurable length and character sets.
Secret / Token Generator
Generate cryptographically random secrets and tokens for API keys, JWT secrets, and more.