Generate Strong Passwords and UUIDs Securely in Your Browser
Weak and reused passwords are still one of the biggest causes of hacked accounts. Generate strong random passwords and UUID v4 identifiers using your browser's secure random generator; nothing is sent anywhere.
Open the free Password & UUID Generator →What is the Password & UUID Generator?
Strong random passwords and UUID v4s, generated securely in your browser. It's completely free, needs no sign-up and works on any phone or computer.
Why it's helpful
- Uses cryptographically secure randomness, not predictable maths
- Choose length and character types
- Creates UUIDs for databases and test data
Who it's for
Everyone who needs a new password, plus developers needing unique IDs.
How to use it
- Choose length and character sets — a password generates instantly.
- Generated with the browser's cryptographic random generator; nothing is stored.
💻 Open source: this tool is free and open source (MIT License). View the code on GitHub, download it and run it offline.
The bigger picture: Developer
Developers lose a surprising amount of time to small tasks: formatting data, decoding tokens, converting between formats and checking syntax. Fast in-browser tools keep you in flow and keep sensitive data off third-party servers.
What's changing: Passkeys are slowly replacing passwords on major sites, but strong unique passwords remain essential for most accounts.
Frequently asked questions
How long should a password be?
16+ characters with mixed sets is a good default.
