JWT Tools

Decode tokens or generate new JWTs (HS* / RS256).

Back to Tools
How to use this tool
  1. Decode: paste a JWT and click Decode to see Header + Payload.
  2. Verify (optional): enable verification, paste the correct key, and choose allowed algorithms.
  3. Encode: pick algorithm, paste key + payload JSON, then click Generate JWT.
  4. Download: download links expire after a short time. Re-run Decode/Generate to refresh.
Security note: don’t paste real production secrets/tokens. Use test keys.

JWT Encoder

Security note: Don’t paste real production secrets/tokens. Use test keys.
Algorithm
Secret / Private key
HS*: shared secret • RS256: PEM private key
Header (JSON – optional)
Payload (JSON)
Reset
Tip: after generating, use Decode tab to inspect your token.

Generated token

Fill the form and click “Generate JWT” — the token will appear here.