Password Generator
Create strong, secure random passwords with customizable options
Password Options
Customize your password settings
16 characters
864
What Makes a Strong Password?
A strong password is your first line of defense against unauthorized access. It should be long enough to resist brute force attacks (at least 12-16 characters), complex enough to prevent dictionary attacks (mixing uppercase, lowercase, numbers, and symbols), and unique for each account to prevent credential stuffing. Modern password cracking tools can test billions of combinations per second, so password strength isn't just about complexity—it's about entropy and unpredictability.
Password Best Practices
Length Matters Most
Password length is more important than complexity. A 16-character password with only lowercase letters is stronger than an 8-character password with all character types. Each additional character exponentially increases the time needed to crack it. Aim for 16+ characters for critical accounts.
Unique for Every Account
Never reuse passwords across accounts. If one service is breached, attackers will try your credentials on other sites (credential stuffing). Use a password manager to generate and store unique passwords for each account. One compromised password shouldn't put all your accounts at risk.
Change Compromised Passwords
Change passwords immediately if you suspect a breach or receive a security alert. However, don't change strong, unique passwords routinely—frequent changes often lead to weaker passwords or reuse. Focus on using strong, unique passwords from the start rather than regular rotation.
Enable Two-Factor Authentication
Even the strongest password can be compromised. Enable 2FA (two-factor authentication) on all accounts that support it. Use authenticator apps (Google Authenticator, Authy) or hardware keys (YubiKey) rather than SMS, which can be intercepted. 2FA adds a critical second layer of security.
Frequently Asked Questions
Is this password generator secure?
Yes! This tool uses `crypto.getRandomValues()`, a cryptographically secure random number generator built into modern browsers. All generation happens locally in your browser—no passwords are sent to any server. Your generated passwords never leave your device unless you explicitly copy and use them elsewhere.
How long should my password be?
Minimum 12 characters for regular accounts, 16+ for critical accounts (email, banking, password manager master password). Each additional character significantly increases security. A 16-character random password is virtually unbreakable with current technology. For maximum security, use 20+ characters.
Should I use special symbols?
Yes, symbols increase the character set and thus password entropy. However, some sites restrict which symbols are allowed. If you encounter problems, try disabling symbols. Length is still more important—a 20-character alphanumeric password is stronger than a 12-character password with symbols.
Can I write down my passwords?
Physical security can be better than digital in some cases. If you write passwords on paper, store them in a locked safe or drawer, not on sticky notes on your monitor. However, password managers are the better solution—they're encrypted, backed up, and can sync across devices securely.
Are passphrases better than random passwords?
Passphrases (like "correct-horse-battery-staple") are easier to remember and can be very strong if long enough (4-6 random words). Random passwords are harder to remember but more resistant to dictionary attacks. Use random passwords with a password manager, or passphrases for master passwords you must memorize.
What's a password manager and should I use one?
Password managers (1Password, Bitwarden, LastPass) securely store all your passwords behind one master password. They generate strong random passwords, autofill them, and sync across devices. This is the best way to maintain unique, strong passwords for every account. The master password should be very strong—20+ characters or a long passphrase.
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