How to Create Strong Passwords You Don't Have to Remember
Updated 5 October 2026 · 6 min read
What actually makes a password hard to crack, why reuse is the bigger danger, and a simple setup that keeps every account safe.
Most account takeovers do not involve a genius hacker guessing your password. They happen because a password was short and common, or, far more often, because it was reused and leaked from some other website. Fixing both problems is easier than it sounds.
How passwords are actually cracked
- Credential stuffing. When a website is breached, its email-and-password list is tried automatically on email, banking and shopping sites. If you reused the password, you are in trouble, no matter how complex it was.
- Dictionary attacks. Attackers try millions of known passwords, words, names and dates, plus common tweaks like
P@ssw0rd1!. Human-made patterns are predictable. - Brute force. Trying every combination. This only works against short passwords.
- Phishing. A fake login page simply asks for the password. Strength does not help here; two-factor authentication does.
What makes a password strong
Length and randomness. Each extra character multiplies the possibilities. A truly random 16-character password using letters, digits and symbols has more combinations than any attacker can try. Replacing letters with symbols in a real word, like S@ngit@123, adds much less than people think, because cracking tools try those swaps first.
| Password | Problem |
|---|---|
| kathmandu2024 | Dictionary word plus a year: cracked almost instantly |
| P@ssw0rd! | One of the most common passwords in leak lists |
| Ramesh1990 | Name and birth year: guessable from social media |
| xR7#qLm2!vT9wKp4 | Random and long: strong |
The Password Generator creates passwords like the last one using your browser's cryptographically secure random generator, entirely on your device.
The simple setup that works
- Use a password manager. Bitwarden, 1Password, the one built into your browser, or Apple's and Google's password managers all store your passwords securely and fill them in for you. You only remember one strong master password.
- Give every account its own random password. Generate a new one each time you sign up or change a password. A breach of one site then affects only that site.
- Make your master password a long passphrase. Several random words, such as
copper-lantern-river-maple-seven, are long, strong and memorable. - Turn on two-factor authentication, at least for email, banking and your password manager. An authenticator app is safer than SMS codes.
- Secure your email first. Whoever controls your email can reset every other password.
When to change passwords
Current guidance, including from the US National Institute of Standards and Technology (NIST), is not to change passwords on a fixed schedule, which leads to weak, predictable variations. Change a password when a service reports a breach, when you suspect someone else knows it, or if it was ever reused.
You can check whether your email address appears in known data breaches at haveibeenpwned.com, a free service run by security researcher Troy Hunt.