Password Generator
Generate secure random passwords with entropy scoring
Generated Password
About Password Generator
All passwords are generated directly in your browser using the Web Crypto API — a cryptographically secure source of randomness built into modern browsers. Nothing is ever sent to a server or stored anywhere. Close the tab and it's gone.
Entropy measures password randomness and unpredictability. Higher entropy means stronger passwords that are more resistant to brute-force attacks. For most purposes, aim for at least 60-80 bits of entropy.
Best practices: Use unique passwords for each account, enable two-factor authentication when available, and consider using a password manager to store your passwords securely.
Frequently Asked Questions
What makes a password strong?
A strong password has high entropy, uses a mix of character types (uppercase, lowercase, numbers, symbols), and is sufficiently long (12+ characters). Avoid common words and personal information.
What is password entropy?
Password entropy measures the randomness and unpredictability of a password. Higher entropy means the password is more difficult to crack. Our tool calculates this based on character set size and password length.
How often should I change my passwords?
Change passwords immediately if you suspect a breach. For high-security accounts, consider changing them every 3-6 months. Use unique passwords for each account and enable two-factor authentication when possible.
Is this password generator secure?
Yes, this generator uses cryptographically secure random values from your browser's built-in crypto API. Passwords are generated locally in your browser and are never transmitted or stored.
Should I use password managers?
Yes, password managers are highly recommended. They can generate and store complex, unique passwords for each account, making it much easier to maintain good security practices without having to remember dozens of passwords.
