JWT Decoder
Decode a JSON Web Token and inspect its header, payload and signature.
Enter a valid JWT to decode.
About JWT Decoder
Decode a JSON Web Token and inspect its header, payload and signature.
This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Related tools
More developer tools →Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text. Handles UTF-8 correctly.
URL Encode/Decode
Percent-encode and decode URLs and query parameters safely.
JSON Formatter
Format, beautify and validate JSON with configurable indentation.
JSON Minifier
Minify JSON to remove whitespace and reduce payload size.
JSON to CSV
Convert an array of JSON objects into CSV format for spreadsheets.
Hex Converter
Convert text to hexadecimal and hex back to text.