Decode and inspect JSON Web Tokens (JWT). View the header, payload, and signature of any JWT token. Verify expiry, issuer, and other claims.
Functions
Decode
Parse JWT into header and payload
Header
View the JWT header (algorithm, type)
Payload
View the JWT payload (claims, data)
Expiry
Check token expiration time
Steps
1
Paste a JWT token into the input field
2
Click "Decode" to parse the header and payload
3
View the decoded JSON with syntax highlighting and claim details
4
Check token expiry, issuer, subject, and other claims
Use cases: Debug JWT authentication issues, inspect API tokens, verify token claims and expiry before using them