Password Generator

Free Online Password Generator

Creating strong, unique passwords is one of the most effective steps you can take to protect your online accounts. A weak password, or reusing the same one across multiple services, leaves you vulnerable to credential stuffing, brute-force attacks, and data breaches. This free password generator helps you create truly random passwords that are practically impossible to guess.

How It Works

Unlike many online generators that rely on basic pseudo-random number functions, this tool uses the Web Crypto API's crypto.getRandomValues() method. This provides cryptographically secure random numbers generated by your operating system's entropy source, meaning the output is unpredictable and suitable for security-sensitive purposes. Everything runs entirely in your browser. No passwords are transmitted, stored, or logged anywhere.

Choosing a Good Password

Security researchers generally recommend passwords of at least 12 to 16 characters, combining uppercase letters, lowercase letters, numbers, and symbols. Longer passwords are exponentially harder to crack. A 16-character password using all four character types has over 95 possible characters per position, resulting in roughly 95¹⁶ possible combinations. Even with modern hardware capable of billions of guesses per second, cracking such a password through brute force would take longer than the age of the universe.

Best Practices

Use a different password for every account. Store your passwords in a reputable password manager rather than writing them down or saving them in plain text files. Enable two-factor authentication wherever possible. Avoid passwords based on dictionary words, personal information like birthdays or pet names, or common patterns such as "123456" or "password". If a service you use suffers a data breach, change that password immediately and check whether you have reused it elsewhere.

Why Browser-Based?

This generator requires no software installation, no account, and no permissions. It works on any modern browser across desktop and mobile devices. Because the password is generated locally using your device's cryptographic functions, it never touches a server. You can even use this page while offline once it has loaded. The source code is fully visible in your browser's developer tools for anyone who wishes to verify its behaviour.