Password Generator — Create Strong Secure Passwords

Generate cryptographically secure, random passwords with customizable length, character sets, and complexity. Protect your accounts with strong passwords.

🔒100% browser-based. Passwords generated locally using crypto.getRandomValues().

How to Generate Secure Passwords

1

Choose Settings

Use the slider to set your desired password length (8-64 characters). Select which character types to include: uppercase, lowercase, numbers, and symbols.

2

Generate Password

Click Generate Password. The tool uses crypto.getRandomValues() for cryptographically secure random selection from the chosen character sets.

3

Copy & Use

Click Copy to copy the password to your clipboard. Store it in a password manager and use it immediately for your account.

Password Security Best Practices

Using strong, unique passwords is the single most important step you can take to secure your online accounts. A 16-character password with mixed character types has 2^128 possible combinations, making brute-force attacks practically impossible with current hardware. This generator uses crypto.getRandomValues(), which accesses the operating system's cryptographically secure random number generator — the same entropy source used for TLS/SSL encryption keys. Unlike Math.random() which is predictable, this ensures every generated password is truly random and cannot be reproduced. For the highest security, generate passwords of at least 16 characters, include all four character types, and never reuse passwords across different websites. Use a dedicated password manager like Bitwarden, 1Password, or KeePass to store and autofill your passwords. Enable two-factor authentication (2FA) wherever possible for an additional layer of security beyond the password itself.

Frequently Asked Questions

A strong password has at least 12 characters, includes a mix of uppercase letters, lowercase letters, numbers, and symbols, and does not contain dictionary words, names, or personal information. Randomly generated passwords are strongest.
Security experts recommend at least 12-16 characters for strong passwords. Each additional character exponentially increases the time needed to crack the password. 16+ character passwords with mixed characters are effectively uncrackable with current technology.
No, you should use a unique password for every website or service. If one site is breached, attackers will try the same email and password combination on other sites. Use a password manager to store all your unique passwords securely.
Yes. It uses crypto.getRandomValues(), a cryptographically secure random number generator built into all modern browsers. The generated passwords are truly random and never leave your device.

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