JWT Decoder
Decode and inspect JSON Web Tokens (JWT)
About JWT Decoder
Decode and inspect JSON Web Tokens (JWT) to view their header and payload. Perfect for debugging authentication tokens and understanding token structure.
- Decode JWT header and payload
- Format timestamps to readable dates
- Validate token structure
- Copy decoded data as JSON
- Client-side processing - tokens stay private
JWT Structure:
Header: Algorithm & token type
Payload: Claims/data (not encrypted)
Signature: Verifies token authenticity
About JWT Decoder
Decode and inspect JSON Web Tokens (JWT)
How to Use
Use this tool to decode and inspect json web tokens (jwt). Simply input your data and get instant results.