RSA Key Generator

An RSA key pair consists of a public key and a private key. The public key can be shared openly to encrypt data or verify signatures, while the private key must be kept secret to decrypt data or create signatures.

RSA 2048 bits is the minimum recommended for general use. RSA 3072 bits provides enhanced security, and RSA 4096 bits offers the highest security level. Larger keys are more secure but slower to generate and use.

All key generation happens entirely in your browser using the Web Crypto API. Your private key never leaves your device. However, always store your private key securely and never share it.

A key fingerprint is a short, unique identifier (SHA-256 hash) of the public key. It allows you to easily verify and compare keys without comparing the entire key content.