JWT Decoder
Decode a JWT header and payload in your browser. The signature is not verified.
The signature is not verified.
How to use
1. Paste a token
Use the full header.payload.signature string.
2. Decode
The header and payload are shown as JSON.
3. Read the claims
Check expiry and subject yourself. The signature is not verified.
Features
- Header and payload
- No signature check
- This runs in your browser. Nothing is uploaded.
FAQ
Does this prove the token is valid?
No. It only decodes the header and payload. The signature is not checked.
Is the token uploaded?
This runs in your browser. Nothing is uploaded.