Dev Toolkit

Password, hash, JWT and URL utilities

JWT decoder

Read a token: header, payload, dates and expiration.

TokenPasted tokens are decoded here in your browser, never sent.Secret (optional)Fill it in to check the signature. Leave it empty to only read the token.

Secret is base64 encoded

Header

Waiting for a token

Payload

Waiting for a token

Signature

Waiting for a token

Every tool runs in your browser — no upload, no account, no tracking. Passwords, secrets and tokens never leave this tab.

Don't know how to open the menu?

Logo assets