JWT Decoder for AWS Cognito

Your data never leaves your browser

Cognito issues ID, access, and refresh tokens. Decode to inspect claims.

Example

[Paste your Cognito token here]

Tips

  1. 1token_use: 'id' or 'access'.
  2. 2cognito:groups for memberships.
  3. 3iss includes User Pool ID.

Frequently Asked Questions

ID vs access?

ID: attributes. Access: scopes.

No custom attrs?

Only in ID tokens. custom: prefix.

Refresh tokens?

Opaque, not JWTs.