Generate a strong password
Random passwords or word-based passphrases with an entropy meter.
Runs on your device — never uploaded
How to generate a strong password
- Set the length and character sets
Or switch to a passphrase of 4–8 random words.
- Generate
Uses crypto.getRandomValues; the entropy in bits is shown.
- Copy
Paste into your password manager.
Frequently asked questions
How long should a password be?
At least 16 random characters or a 5-word passphrase, giving roughly 80+ bits of entropy.
Is the password sent to a server?
No. It is generated in your browser and forgotten as soon as you leave the page.
Are passphrases secure?
Yes, when words are chosen at random from a large list. Six words from a 7,776-word list is about 77 bits.