Random Bytes Generator
Generate secure random bytes for keys, salts, nonces and tests.
● 🔒 Your data is processed locally in your browser with the Web Crypto API and is never uploaded to our servers.
How it works
Bytes come from crypto.getRandomValues(), which uses your operating system's cryptographically secure random number generator — suitable for keys, salts, IVs and tokens, unlike Math.random(). 16 bytes (128 bits) is enough for a unique identifier; 32 bytes (256 bits) for a secret key.