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JWT decoder

Decode a JSON Web Token and show its header and payload. Tokens are decoded on your device only — never upload a real token to an untrusted site.

JWT Decoder

Tokens are decoded on your device only — never paste a real production token into an untrusted site.

How to use JWT decoder

Enter your details in the tool above and press the main button to get your result. You can copy text results or download file results. Most tools work entirely in your browser, so your files and inputs are not uploaded anywhere, except where the tool page names a public API it calls.

Related tools: JSON formatter/validator, JSON to CSV, CSV to JSON, XML to JSON / JSON to XML.