JWK Key Generator
RFC 7517 JSON Web Key pairs via Web Crypto. Public + private JWK, base64url-encoded.
JWK Key Generator — Free Online Tool
Generates JSON Web Key (JWK, RFC 7517) key pairs for RSA and Elliptic Curve (P-256, P-384, P-521) algorithms using the Web Crypto API, exporting the public and private keys as base64url-encoded JWK JSON with kid and alg metadata, useful for configuring JWT signing keys in Auth0, Okta, and AWS Cognito, testing JOSE libraries, and bootstrapping jwks.json endpoints.
How to use the JWK Key Generator
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the JWK Key Generator free to use?
Yes. The JWK Key Generator is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the JWK Key Generator upload my data?
No. The JWK Key Generator processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the JWK Key Generator work offline?
After the page loads, the JWK Key Generator runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this JWK Key Generator
The JWK Key Generator runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.