JWT Decoder
Decode and inspect JSON Web Tokens in your browser. View the header, payload, and signature. Verify expiration and claims.
Embed this toolValid FormatAlgorithm: HS256
Header
{
"alg": "HS256",
"typ": "JWT"
}Payload
{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022
}Signature
SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
Claims
| Claim | Value | Description |
|---|---|---|
| sub | 1234567890 | Subject |
| name | John Doe | Custom claim |
| iat | 1516239022 (1/18/2018, 5:30:22 AM) | Issued At |
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JWT Structure
HEADER (Base64URL)
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
PAYLOAD (Base64URL)
eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ
SIGNATURE
SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
Frequently Asked Questions
JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties. It consists of three parts: Header (algorithm & type), Payload (claims/data), and Signature (verification).