AV-S02
JWT Generator
Build and sign a JSON Web Token with an HMAC secret or an RSA, EC or Ed25519 private key.
● Runs on your device; nothing is uploadedHow to use it
- Choose the Algorithm.
- Edit the Header and Payload JSON; use Set iat, nbf or exp for times.
- For HS algorithms enter a Secret, or press Random secret.
- For others paste a PKCS#8 PEM or JWK private key, or generate a pair.
- Copy the Signed token, and the public key if you generated one.
Features
- HS256/384/512, RS256/384/512, PS256/384/512, ES256/384/512 and EdDSA
- Warns when an HMAC secret is shorter than RFC 7518 requires
- Generates RSA 2048, P-256/384/521 or Ed25519 signing key pairs
- Public key output as PEM and JWK
- Expiry durations such as 30s, 15m, 1h, 7d and 2w
For AI agents: avtools_jwt_generator
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