Password Generator
Generate strong random passwords locally, using your browser's cryptographic randomness.
100% private. Your files never leave your device.
Generated with the Web Crypto API on your device. Passwords are never stored or transmitted.
About this tool
Create strong, random passwords with exactly the rules you need: set the length, then include or exclude uppercase letters, lowercase letters, numbers, and symbols. Passwords are generated with the Web Crypto API, the same cryptographically secure random source used by password managers, not the weaker Math.random. Generation happens entirely on your device. No password is ever transmitted, logged, or stored, and a strength meter shows the estimated entropy so you can see how much security each extra character buys. Use it for new accounts, Wi-Fi networks, or database credentials.
How to use
- 1Set the password length with the slider. Twelve characters is a sensible minimum, sixteen is better.
- 2Tick the character types you want: uppercase, lowercase, numbers, symbols.
- 3Click "Generate" as many times as you like until you get one you are happy with.
- 4Click "Copy" and paste the password into your password manager.
Frequently asked questions
Is it safe to generate a password on a website?
On this one, yes. The password is created by the Web Crypto API in your browser and never sent anywhere. You can open the page, disconnect from the internet, and generate passwords offline.
How long should a password be?
At least 12 characters for ordinary accounts and 16 or more for anything important. Length increases strength faster than adding symbol variety does.
Are the passwords truly random?
Yes. Characters are drawn using crypto.getRandomValues with rejection sampling, which avoids the subtle bias that naive random pickers introduce.
Does the site remember generated passwords?
No. Passwords exist only on your screen and in your clipboard after you copy them. Reloading the page destroys everything.