Offline engine (processed locally)JSON v1.0.0 Spec

Jwt Decoder

v1.0.0

Decode and explore the header and payload of any JWT (JSON Web Token) without verifying its signature. Our online JWT decoder displays claims like issuer, expiration, and subject in a clear, human-readable format. An essential developer tool for debugging authentication, inspecting API tokens, and understanding JWT structure. Client-side only—your tokens stay private.

—ms
TEXTInput (TEXT)
lines: 1chars: 33Size: 33 BUTF-8
JSONOutput (JSON)
Converted output will appear here
lines: 0chars: 0Size: 0 BUTF-8
Size change: -100.00%TOML compliant: v1.0.0

Tool guide

Accurate conversion

Input is processed by this tool’s dedicated converter.

Local processing

Your input is processed in your browser and is not uploaded.

Ready-to-use output

Copy the result or save it as a file.