Password Generator
Password Generator — create strong, random, secure passwords instantly. Customize length and character types. Completely private, free, no signup required.
About Password Generator
The Password Generator creates strong, cryptographically random passwords instantly — long enough to resist brute-force attacks, varied enough to defeat pattern-based cracking, and customizable to meet any website’s character requirements. Generate a password, copy it, save it in your password manager, and move on.
Password security is the foundation of online account protection, yet most people’s passwords are far weaker than they realize. Studies of breached password databases consistently show that millions of accounts use passwords like “123456,” “password,” “qwerty,” or common words with predictable substitutions like “P@ssw0rd.” These passwords are the first ones any attacker tries. Even longer passwords derived from meaningful phrases, names, or dates follow patterns that sophisticated dictionary attacks can exploit quickly.
A truly random password has no pattern. It is not derived from any word, date, name, or phrase. Every character is independently selected at random from the available character set, making the space of possible passwords astronomically large. A 16-character random password using uppercase, lowercase, numbers, and symbols has more than 10^29 possible combinations — a number so large that exhaustive brute-force cracking is computationally infeasible.
This generator uses JavaScript’s cryptographic random number generator, the same entropy source used for secure cryptographic operations in browsers. This is not a pseudo-random generator — it produces genuinely unpredictable output that cannot be reproduced from a predictable seed.
The character set options let you control exactly what the password contains. Some sites prohibit special characters. Others require at least one number and one symbol. Toggle the character types on or off to generate a password that complies with any site’s specific password policy.
All generation happens in your browser. The password is never transmitted to any server. Free with no signup required.
Frequently asked questions
A strong password is at least 12 characters long and includes a mix of uppercase letters, lowercase letters, numbers, and special symbols. The generator creates passwords that meet these criteria automatically.
No. Passwords are generated entirely in your browser using JavaScript's cryptographic random number generator and are never sent to or stored on any server. Once you leave the page, the password exists only where you saved it.
At least 16 characters for important accounts. Longer passwords are exponentially harder to crack — the tool lets you choose any length to match your security needs.
Yes. You can toggle uppercase, lowercase, numbers, and symbols on or off to generate passwords that meet specific site requirements or personal preferences.