Open source self-host instructions here

JWK Generator

Use PEM encoded ASN.1 DER data for SEC 1, PKCS #1, PKCS #8, PKIX, or certificates to generate a JWK or generate a new key.

Generate using PEM

Generate a JWK given a PEM encoded key or certificate.
Do not upload a private key unless this website is self-hosted.

Key operations (optional)

Generate a new key

Generate a new key given and receive the JWK, PKIX public key, and PKCS #8 private key.
Only trust the private key if you are self-hosting this website.

Key type
Select a cryptographic key type
Bits
Choose an RSA key bit size
Key operations (optional)