Developer Tools › Data & Encoding
JWT Decoder
Decode and inspect JWT tokens. View header, payload, and signature with expiration validation and claim descriptions.
Features & Privacy
Decode and inspect JWT tokens to view header, payload, and signature. Check expiration status and understand claims. All processing happens entirely in your browser. No data is sent to any server.
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Beautify and format HTML with proper indentation. Works with fragments and embedded styles/scripts.
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Robustly encode and decode Base64 strings, including URL-safe variants and binary data.
