Cognito JWT Decoder

Local Processing

Decode and inspect Cognito JWT tokens locally without sending secrets to a server.

Example

  • token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjoiZGVtbyIsImlhdCI6MTcwMDAwMDAwMH0.signature

Output

Waiting

Run the tool to generate output.

What it does

The Cognito JWT Decoder allows you to inspect authentication tokens and specific claims from Cognito.

How to use

  • Open Cognito JWT Decoder and enter the source input you want to work with.
  • Run the tool once with a small sample so you can confirm the result format.
  • Copy, download, or reuse the output in your target app after a quick verification pass.
Read Protocol Guide

Examples & Workflows

Cognito JWT Decoder workflow

Inspect Cognito session token claims and expiration.

Cognito JWT Decoder team use

Verify your Cognito integration payload structure.

Cognito JWT Decoder quick task

Debug authorization issues locally during Cognito development.