Secure Password Generator
Generate cryptographically secure random passwords with custom length, character sets, and complexity requirements. Create uncrackable passwords for any account.
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Password Generator
DeveloperFree · No signup
Strength:Strong
Guide
How to Use Password Generator
Set Length
Drag the slider to set password length (8-128 characters). 16+ is recommended.
Choose Character Sets
Toggle uppercase, lowercase, numbers, and symbols to include in your password.
Generate
Click "Generate" to create a new cryptographically secure random password.
Copy
Click the copy icon to copy the password to your clipboard.
Frequently Asked Questions
Passwords are generated using the Web Crypto API (window.crypto.getRandomValues), which produces cryptographically secure random numbers. A 16-character password with all character types has 95^16 = 4.4 × 10^31 possible combinations.
No. Passwords are generated entirely in your browser using JavaScript. Nothing is sent to any server. Your passwords never leave your device.
A strong password is: at least 12 characters long, uses uppercase and lowercase letters, numbers, and special symbols, doesn't use dictionary words or personal info, and is unique for each account.
Yes! Since strong passwords are hard to remember, use a password manager like Bitwarden, 1Password, or Dashlane. Generate a unique strong password for every site and let the manager remember them.
Modern security guidance says to change passwords when there's a suspected breach, not on a fixed schedule. Use a unique password for every account — then a breach of one site doesn't compromise others.