Secure Password Generator
Generate cryptographically random passwords with full control over length and character set. Runs entirely in your browser — passwords never leave your device.
Useful when the password will be read aloud or copied by hand.
Related calculators
Frequently asked questions
Is this safe to use?
Yes. The password is generated entirely in your browser using the Web Crypto API (crypto.getRandomValues), which produces cryptographically strong random values. Nothing is sent to Mubboo's servers, logged, or stored anywhere outside your device.
Are passwords stored or remembered?
No. The generator is fully client-side. As soon as you close the tab, the password is gone unless you copied it. We have no record of any password generated.
What makes a strong password?
Length is the single biggest factor — 16+ characters resists brute force for decades at current GPU speeds. Mixing character types (uppercase, lowercase, numbers, symbols) helps modestly but matters less than length. Avoid words, names, and dates. Use a password manager and never reuse passwords across sites.
How long should my password be?
Aim for 16 characters or more. For high-value accounts (email, bank, password manager master), use 20+ with all four character types. For passphrases instead of random strings, use 5-6 unrelated words — easier to type, comparable strength when long enough.