Tools

Small things I needed often enough to build once. No accounts, no uploads — every one of these runs on your own machine with the browser's native crypto.

• JWT

  Decode, verify and re-sign JSON Web Tokens.

• Base64

  Encode and decode, UTF-8 safe, with a URL-safe variant.

• Hash

  Argon2id, bcrypt, scrypt and the usual digests.

• Key Generator

  Passwords, hex and WPA keys.