Are PINs really random?

Yes. Each digit is sampled from crypto.getRandomValues(), the browser's cryptographically secure source.

Should I use 4 digits or 6?

For physical-world locks 4 is conventional. For accounts and apps, 6+ is far safer — 6 digits = 1M combinations, 4 digits = 10K.

Files never leave your device

Generate one or many random PINs of any length. Uses the browser crypto API for cryptographic randomness.

Digits

How many PINs