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JWT Decoder
Paste a JSON Web Token to decode its header and payload, inspect expiration, and optionally verify signatures.
Advanced ToolboxDevTools
AlgorithmN/A
Issued AtN/A
Expires AtN/A
Tokens are decoded locally in your browser. Nothing is uploaded.
Header
Payload
Signature (Base64URL)
Optional Signature Verification
Guides and references
- JWT Decoder BasicsRead the full guide.
- JWT Debugging ChecklistRead the full guide.
Related tools
- Base64 DecoderDecode Base64 text or files back to readable content or a downloadable file.
- JSON Formatter & ValidatorValidate, pretty-print, or minify JSON payloads in one click.