JWT Decoder
Decode and inspect JSON Web Tokens — view header, payload, claims, and expiration status instantly
JWT Decoder
Paste your JWT token below. Decoding happens entirely in your browser — your token is never sent to our servers.
Tool Features
Inspect JWT tokens with full transparency
Instant Decoding
Decode JWT tokens instantly in your browser — no data sent to servers
Expiry Detection
Automatically detect token expiration and show time remaining
Claim Inspector
View all standard and custom claims with explanations
Structure View
Color-coded header, payload, and signature breakdown