Running on your device ยท 0 bytes uploaded JWT Decoder Inspect JWT headers and claims locally, verify the signature with a key you paste, or sign a token of your own. Nothing leaves your browser. Decode & verifySignJWT to decodeNothing in yet Paste a token above to inspect its header and payload. Next door in Web - JSON formatter (/json/formatter) - Base64 (/encoding/base64) All web tools (/web) Canonical HTML: https://nutter.tools/web/jwt Markdown version: https://nutter.tools/web/jwt/index.md Plain-text version: https://nutter.tools/web/jwt/index.txt Agent index: https://nutter.tools/llms.txt