Password generator
Generate a strong random password right in your browser. Set the length, choose which characters to include, and copy the result. Nothing is sent anywhere and nothing is stored.
To generate a password, set the length and the character types, and it is built on your device immediately. Every password comes from a cryptographically secure random source and never leaves your browser. It is free and needs no sign-up.
How to use it
Set the password length with the slider, choose the character types to include, and a new password appears. Changing any setting generates a fresh one. Copy it, then keep it somewhere safe such as a password manager.
When it helps
When one password is reused across sites, a single leak exposes all of them. A long random password for every account is the strongest protection you can set in under a minute.
Common questions
Is the randomness real?
Yes. The tool uses the browser crypto.getRandomValues API, a cryptographically secure generator. The general-purpose Math.random is deliberately never used, since its output can be predicted.
Can anyone see or store my password?
No. It is generated inside your page and never sent over the network, written to a server, or logged. Closing the tab removes it.
What makes a password strong?
Length and character variety. Sixteen characters with letters, digits, and symbols are out of reach for any attacker. The strength meter shows the estimated entropy in bits.
Why exclude look-alike characters when I ask?
Characters such as 0 and O or 1 and l are easy to misread when a password is written down or read aloud. Excluding them costs very little strength and removes that failure mode.
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