Password Generator
Generators & QR · Done in 3 steps
- 1Set the length
- 2
- 3
About
Generate strong random passwords with your browser’s secure random generator. Set length and character sets, see entropy, or make hundreds at once.
How to use it
- 1A password is generated instantly. Press New for another.
- 2Set the length (16+ is a good default) and the character sets you need.
- 3Turn on “Exclude look-alikes” if the password will be read aloud or typed from paper.
- 4Copy it into your password manager, or bulk-generate a list.
- You give
- Length and character-set options
- You get
- One or many random passwords with an entropy and strength estimate
- Good to know
- Entropy assumes the password is used exactly as generated. Editing it by hand lowers its strength. The crack-time estimate assumes a fast offline attack (10 billion guesses per second) and is a rough guide.
- Privacy
- Processed on your device. Nothing is uploaded, stored or logged.
- Last tested
- 2026-10-28
FAQ
Is it safe to generate passwords on a website?
This page uses crypto.getRandomValues, the same cryptographic source password managers use, and runs entirely in your browser. Nothing is transmitted or stored; only your option choices are remembered on this device.
How long should my password be?
For accounts protected by a password manager, 16–20 random characters (about 100+ bits) is plenty. For a master password you must remember, a 6-word passphrase is easier and similarly strong.
What is “unbiased sampling”?
Simple generators use random % N, which makes some characters slightly more likely. We discard random values that would cause that bias (rejection sampling), so every character is equally likely.
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