Why Use a Password Generator?
Weak passwords are the #1 cause of data breaches. Studies show that 81% of hacking-related breaches use stolen or weak passwords. A random, 20-character password with mixed character types is virtually uncrackable with current technology.
How This Generator Works
This tool uses the Web Crypto API (crypto.getRandomValues) — the same cryptographic random number generator used by banks and security applications. Every character is selected with uniform probability from your chosen character set, ensuring maximum entropy.
Password Strength Recommendations
- Use at least 16 characters for important accounts
- Include uppercase, lowercase, numbers, and symbols
- Never reuse passwords across different sites
- Use a password manager to store your generated passwords
- Enable two-factor authentication wherever possible
How Long Would It Take to Crack?
A 20-character password using all character types (uppercase, lowercase, numbers, symbols) has approximately 95^20 = 3.58 × 10^39 possible combinations. At 10 billion guesses per second, brute-forcing this would take over 10^22 years — far longer than the age of the universe.