JWT Decoder

Decode and inspect JSON Web Tokens (JWT)

Note: This tool only decodes JWTs. It does NOT verify signatures. Never trust decoded data without proper verification on the server.

JWT Token Input

Paste your JWT token to decode

Characters: 0

Real-time Decoding

Automatically decodes JWT as you paste or type

Visual Breakdown

Color-coded sections for header, payload, and signature

No Verification

Decodes only - does not verify signature validity

How to Use

Paste JWT Token: Enter the complete JWT token string

Auto-Decode: Token is automatically decoded into header, payload, and signature

Inspect Parts: Review each section with color-coded visual breakdown

Copy or Download: Export individual sections as JSON files