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JWT Test Token Generator

Sign a local JSON object with HS256, HS384 or HS512 and a disposable test secret. Nothing is uploaded or stored.

jwt-generatorLOCAL WORKSPACE

Enabling local controls…

Input & options

Header and payload are visible plaintext. Do not include secrets. No keys or URLs named in the header are fetched; b64/crit extensions are unsupported.

Local only; no upload, storage or URL sharing. Use disposable secrets. Signed data is not a proof of identity, authorization or safe content.

Result

Choose settings and run to produce a result. Unedited input is kept when an error occurs.

How to use this tool

Enter a JSON object, select the algorithm expected by your test receiver and supply a test secret. Generate, inspect claims and copy the signed token explicitly.

When not to use it

A signature does not establish authorization, trusted claims or expiry. Do not paste production secrets; this is not an identity provider or key manager.