We built this random password generator with one mission: give everyone instant access to strong, secure passwords — privately, and completely free.
Generated passwords never leave your browser. Zero server calls, ever.
No loading, no sign-up, no waiting. Generate random passwords in milliseconds.
No premium tiers, no ads, no paywalls — now or ever.
Mobile, tablet, desktop — any modern browser, even offline.
Weak and reused passwords cause the vast majority of account breaches. Our goal was to build the simplest, fastest random password generator on the internet — one that anyone can use, regardless of technical knowledge.
Most people know they should use strong passwords but don't bother because the process is annoying. GenPassFast removes every barrier: no account, no app to install, no ads. You land on the page, you generate a random password, you copy it. Done.
🔍 When you generate random passwords here, they are created inside your browser using JavaScript. We never see them. Nobody does.
Not all password generators are equal. A proper random password generator should: use true randomness (not predictable sequences), guarantee character diversity (at least one uppercase, lowercase, number, and symbol), and never transmit generated passwords over the internet. GenPassFast does all three.
Our random password generator uses the Fisher-Yates shuffle algorithm applied to a combined character pool. This guarantees at least one character from each selected group and eliminates predictable patterns. Everything runs in vanilla JavaScript — no frameworks, no backend, no external dependencies. The generated passwords are as random as your browser's built-in random engine allows.
Generating a strong random password is only step one. Store each generated password in a trusted password manager like Bitwarden (free and open-source), 1Password, or Dashlane. Never reuse passwords across different websites, and never store them in plain text files or notes apps.