Abundance · free tools

Password generator

offline · cryptographic RNG free tools · the arithmetic
A safe tool that asks nothing of you. Passwords are generated on your device with the browser's cryptographic random-number generator (crypto.getRandomValues). Nothing is sent anywhere, stored, or logged. Why this exists →

Entropy is computed as length × log₂(character-set size). Crack-time assumes a fast offline attacker making 100 billion guesses per second against a well-built password (not a reused or dictionary one). Generate locally, copy, paste into your password manager — this page keeps nothing.