Build and sign JWT tokens in your browser. HS256, RS256, ES256 and more. Your secrets never leave your device.
JWT Encoder: Build and sign JWT tokens in your browser. HS256, RS256, ES256 and more. Your secrets never leave your device. Common scenarios: building query strings, preparing data URIs, embedding values in headers or JSON payloads. No server interaction after page load. Your data is never logged, stored, or transmitted. Available in HttpStatus.com's JWT toolkit.
JWT Encoder applies the standard encoding for its format — RFC-compliant where applicable.
Yes — all encoding here is reversible. Use the corresponding decoder to recover the original content.
Many tools support shareable links. Look for the share button after processing your input.