Is this JWT decoder free?

Yes, completely free! No sign-up required, no usage limits, and 100% client-side processing.

Can I verify the JWT signature?

This tool decodes and displays JWT contents. Signature verification requires the secret key and is shown for informational purposes.

The tool supports all standard JWT algorithms including HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384, and ES512.

Yes! You can decode any JWT including access tokens, ID tokens, and refresh tokens to inspect their claims.

100%! All decoding happens client-side in your browser. Your JWT tokens never leave your device or get logged.

Name: JWT Decoder - Decode & Inspect JSON Web Tokens Online
Rating: 4.9 (2341 reviews)
Author: TypeDock

JWT Token

Header

Payload

Signature