Password / Passphrase Generator
Generate random passwords or passphrases using the browser's cryptographically secure RNG. Runs entirely in your browser.
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About Password / Passphrase Generator
Strong passwords are long and unpredictable. This generates random character passwords or multi-word passphrases using a cryptographically secure source of randomness, entirely on your device.
How to use it
- Choose a password or a passphrase.
- Set the length or word count and any character options.
- Generate, and generate again until you are happy.
- Copy it straight into your password manager.
Frequently asked questions
- Is the randomness secure?
- Yes. It uses crypto.getRandomValues, the browser's cryptographically secure RNG — not Math.random.
- Is the password sent or saved anywhere?
- No. It is generated in your browser and never transmitted or stored. Close the tab and it is gone.
- Passphrase or password?
- A long passphrase of random words is easier to type and remember; a random character string is shorter for the same strength. Either is fine if it is long enough and unique.