Is the private key secure?

The key is generated and displayed in your browser only — nothing is transmitted. Treat any generated key as you would any private key.

What format is the public key in?

The public key is in OpenSSH authorized_keys format: ssh-rsa .

Can I use this key with GitHub or GitLab?

Yes. Copy the public key and add it to your account's SSH keys page. The private key should be saved securely on your machine.

SSH Key Generator

Generate an RSA SSH key pair. Shows the OpenSSH public key and the PEM private key.

Key size:

Comment:

Related Tools

#RSA Key Generator

Generate RSA key pairs (2048 or 4096-bit) and export as PEM in your browser.

#RSA Key Pair + OpenSSL Command

Generate an RSA key pair and get the OpenSSL command to create a self-signed certificate.

#PEM Key Parser

Paste a PEM private or public key to detect its type, algorithm, and key size.

FAQ

Is the private key secure?: The key is generated and displayed in your browser only — nothing is transmitted. Treat any generated key as you would any private key.
What format is the public key in?: The public key is in OpenSSH authorized_keys format: ssh-rsa <base64> <comment>.
Can I use this key with GitHub or GitLab?: Yes. Copy the public key and add it to your account's SSH keys page. The private key should be saved securely on your machine.

Generate an RSA-2048 or RSA-4096 key pair using Web Crypto. The public key is encoded in OpenSSH wire format (ssh-rsa AAAA... comment). The private key is exported as PKCS#8 PEM. You can also copy the openssl command to convert the private key to the traditional OpenSSH private key format.