JWT Decoder
Paste your JSON Web Token to decode and inspect it.
Invalid JWT format
Header
{}
Payload
{}
Signature
HMACSHA256(
base64UrlEncode(header) + "." +
base64UrlEncode(payload),
your-256-bit-secret
)
What is a JWT?
JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed.
Security Note
This tool runs entirely in your browser. Your tokens are never sent to any server. However, you should always be cautious when pasting sensitive tokens (like production access tokens) into any online tool.