A LITTLE HELP FOR YOUR NEXT TASK
JWT Token Builder
Create signed JWTs with explicit algorithms and claims.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
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How to use JWT Token Builder
- Enter JSON claims and choose the signing algorithm.
- Supply the matching secret or private key.
- Create the token and copy it only when needed.
What are the limits of JWT Token Builder?
Creates signed, not encrypted, tokens. HS256 signing requires at least 32 secret bytes. Tokens and private keys are sensitive; no automatic export or storage. This tool processes inputs in browser memory and makes no upload or lookup request. Clear inputs or close the tab when finished. Exports and clipboard actions are explicit.