JWT Decoder

Paste any JWT token to instantly decode the header, payload, and claims. Works offline — nothing is sent to any server.

JWT Token

Header

Signature

⚠ Signature not verified — provide a secret key to validate integrity.

Payload & Claims

Use as a REST API

POST a JWT token and get the decoded result in JSON:

curl -X POST https://hatchloop.dev/api/tools/jwt \
  -H "Content-Type: application/json" \
  -d '{"token": "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJ1c2VyIn0.sig"}'

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