Strong Password Guide: How to Create Unbreakable Passwords

Why Most Passwords Are Weak

The most common passwords in 2024 were "123456", "password", and "qwerty". Even "Password1!" — which meets most complexity requirements — can be cracked in under a second by modern hardware.

Here's why: a GPU-based cracking rig can test 100 billion passwords per second. An 8-character password with mixed case, numbers, and symbols has about 7 quadrillion possibilities — sounds like a lot, but it's cracked in under a day.

What Makes a Password Strong?

The two most important factors are length and randomness. A truly random 16-character password with all character types has about 2^100 possible combinations — that's more than the number of atoms in the solar system.

8 characters: Cracked in hours to days
12 characters: Cracked in months to years
16 characters: Cracked in millions of years
20+ characters: Effectively unbreakable

Best Practices

Use 16+ characters for important accounts
Never reuse passwords across sites — one breach compromises all
Use a password manager — you only need to remember one master password
Enable 2FA everywhere — even if your password is stolen, 2FA blocks unauthorized access
Avoid personal info — birthdays, pet names, and addresses are easily guessed

Generate a Strong Password Now

Our Password Generator creates cryptographically secure random passwords using the Web Crypto API. Customize length, character types, and exclude ambiguous characters — all processing happens in your browser. We never see or store your passwords.