Most people pick passwords that are easy to remember — and easy to crack. A name, a birth year, a pet's name with a number at the end. The problem is that attackers know this too, and they use it. Dictionary attacks and credential stuffing can break weak passwords in seconds.
The alternative is generating a genuinely random password — something with no pattern, no personal connection, and enough length and character variety to make brute force attacks impractical. This guide explains what that means in practice and how to generate one in about 10 seconds.
What Makes a Password Strong?
Three factors matter most:
- Length — the single most important factor. Each additional character multiplies the number of possible combinations. A 16-character password is exponentially harder to crack than a 10-character one, even if both use the same character types.
- Character variety — using uppercase letters, lowercase letters, numbers, and symbols together increases the "search space" attackers have to cover. A password using only lowercase has 26 possible characters per position; one using all types has 90+.
- Randomness — patterns (keyboard walks like
qwerty, substitutions likep@ssw0rd, repeated characters) are well-known and built into attacker wordlists. True randomness, generated by a computer, is what makes a password unpredictable.
Passwords to Avoid
These are among the most commonly used — and first tried — passwords in any attack:
- Any word from a dictionary, in any language
- Names — yours, family, pets, places
- Dates — birthdays, anniversaries, years
- Keyboard patterns —
qwerty,123456,asdfgh - Common substitutions —
@for a,3for e,0for o - Short passwords — anything under 12 characters is increasingly vulnerable as hardware improves
Step-by-Step: Generate a Strong Password Free
Go to webtoolsz.com/password-generator. No sign-up needed.
At minimum, use 16 characters. For highly sensitive accounts (banking, email, work systems), 20+ is reasonable.
Enable uppercase, lowercase, numbers, and symbols. If a site has restrictions (no symbols, for example), disable only what's required.
Copy the generated password and immediately store it in a password manager. Don't write it on paper or in a plaintext file.
How the Generator Works
The password generator on WebToolsz uses your browser's built-in crypto.getRandomValues() API — the same cryptographically secure random number generator used in serious security applications. It doesn't use Math.random() (which is predictable) and doesn't send anything to a server. The password is generated entirely in your browser tab, so we never see it.
Generate a Strong Password — Free
Cryptographically secure. Runs in your browser. Nothing is sent anywhere.
Open Password GeneratorFrequently Asked Questions
Is this password generator safe to use?
Yes. The generator uses crypto.getRandomValues() — a browser-native cryptographically secure random source. The password is never transmitted to any server. It exists only in your browser tab until you copy it.
How long should my password be?
At least 16 characters for most accounts. For email, banking, or work accounts — anything that would cause serious damage if compromised — use 20+ characters. Length matters more than complexity.
Should I use a passphrase instead of a random password?
Passphrases (like "correct-horse-battery-staple") can be strong and more memorable. For most people, a password manager removes the need to memorize at all, making a truly random string more practical and stronger. Both are fine approaches.
Can the tool generate multiple passwords at once?
Yes — you can set it to generate several at once and pick the one you want, or generate a fresh one with each click. All generated passwords are equally random.
Last updated: March 2026 | Back to Blog | Privacy Policy