JWT Decoder

Decode and inspect JSON Web Tokens (JWT) instantly. View payload data, expiration times, and token structure to debug authentication and API requests.

Real-time decoding

Instant validation

No data stored

Token Input

Paste your JWT token below to decode and inspect its contents

Secure & Private

All decoding happens in your browser. No data is sent to any server.

Real-time Validation

Instant feedback on token structure and validity as you type.

Developer Friendly

Clean interface with copy buttons and formatted JSON output.

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What is a JWT? JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

This tool decodes the token structure but does not verify the signature. Always validate tokens server-side.