Password Generator
Cryptographically secure passwords with strength meter. Free, private, no sign-up — runs in your browser.
Password Generator
Generate strong random passwords using your browser’s cryptographic random number generator. Control length and character sets, exclude look-alike characters, and check entropy.
About this Password Generator
Randomness comes from crypto.getRandomValues() — the browser's cryptographically secure generator — never from predictable Math.random(). The strength estimate uses entropy: length × log₂(pool size). 80+ bits is strong for online accounts; 128 bits resists offline cracking. Generation happens locally and no password is ever transmitted or stored.
Frequently asked questions
Is it safe to generate passwords online?
What length should I use?
What does "exclude look-alikes" do?
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