Developer tools
Decode a JWT
Inspect a JWT's header, payload, and timestamps. This tool does not verify signatures.
Result
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Why use it
Inspect a JWT without sending it anywhere
- 01
Read header and payload
Decode the token's Base64URL-encoded JSON sections directly in your browser.
- 02
Understand common claims
See readable dates for iat, exp and nbf claims when they contain valid timestamps.
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Supported files and limits
- Input
- Compact JWT
- Privacy
- Processed locally in your browser
- Important
- Decoding does not verify a signature
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How to decode a JWT
- 1
Paste the token
Enter the compact JWT you want to inspect.
- 2
Review the claims
Read the decoded header, payload and any recognized timestamps.
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Frequently asked questions
Does this tool verify JWT signatures?
No. It only decodes the token. It does not verify the signature, issuer, audience or trustworthiness.
Is my token uploaded?
No. Decoding happens locally in your browser.