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JWT Decoder

Decode and inspect JWT tokens (header and payload) without verifying the signature

jwttokendecoderjson web tokenpayload
# JWT Decoder Decode JSON Web Tokens to view the header and payload as readable JSON. This tool does not verify signatures—it only decodes and displays the token contents. ## Features - Decode JWT header and payload - Pretty-print JSON for easy reading - Copy header or payload to clipboard - No verification (inspection only) ## How to Use 1. Paste your JWT (the full token: header.payload.signature) 2. View the decoded header and payload 3. Copy any section as needed ## Common Use Cases - Debugging authentication tokens - Inspecting claims (exp, sub, etc.) - Understanding token structure - Troubleshooting API auth