Fix

Fix Malformed JWT Token Error

A valid JWT has exactly three dot-separated segments: header.payload.signature. Malformed tokens fail decoding.

Open JWT Decoder

Valid Format

eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxMjM0NTY3ODkwIn0.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

Common Issues

Missing signature segment, extra dots, Bearer prefix not stripped, URL encoding not decoded, truncated token from copy-paste.

Fix Steps

Remove 'Bearer ' prefix. Ensure all three segments are present. Use the JWT Decoder to inspect each part.