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Password Generator

Create strong, random passwords generated securely in your browser — nothing is sent anywhere.

Runs in your browserNo sign-up required
 
Strong100 bits · would take longer than the universe has existed to crack with a fast offline attack (10 billion guesses a second)
chars
2

!@#$%^&*()_+-=[]{};:,.<>?

Need several?

Made on your device with the browser's secure random generator. Passwords are never sent or saved. Want something easier to remember? Try the passphrase generator, or check an existing password with the strength checker.

Why a Strong Password Matters

Weak, reused, or predictable passwords are one of the easiest ways attackers get into your accounts — email, banking, social media, or work tools. A single leaked password reused across multiple sites can put your entire digital life at risk. This free password generator creates strong, unique, random passwords instantly in your browser, using your device's cryptographically secure random number generator — nothing is ever sent to a server or stored anywhere.

What Makes a Password Strong?

  • Long enough — aim for at least 12–16 characters. Longer passwords are exponentially harder to crack.
  • Mixed character types — combining uppercase, lowercase, numbers, and symbols multiplies the number of possible combinations.
  • Truly random — avoid real words, names, or dates that appear in common wordlists used by password-cracking tools.
  • Unique per account — never reuse the same password across multiple sites or services.

Common Password Mistakes to Avoid

  • Using personal information — birthdays, names, or phone numbers are easy to guess or find online.
  • Reusing the same password everywhere — a single data breach can then expose every account that shares it.
  • Simple substitutions like "P@ssw0rd" — password-cracking tools already account for common letter-to-symbol swaps.
  • Passwords under 10 characters — short passwords can often be cracked in minutes with modern hardware.
  • Keyboard patterns like "qwerty" or "123456" — these are among the first combinations attackers try.

How Attackers Actually Crack Passwords

  1. 1Dictionary attacks try real words firstAttackers run huge lists of common passwords, real words, and known-leaked passwords from past breaches against your account before trying anything else, since it's the cheapest method and works surprisingly often against weak, memorable passwords.
  2. 2Brute force tries every combination, systematicallyWhen dictionary attacks fail, automated tools simply try every possible character combination, starting from short ones. Every extra character in your password roughly multiplies the number of combinations that need to be tried, which is why length matters more than almost anything else.
  3. 3Randomness is what actually defeats bothA password built from real words, names, or predictable patterns (even with clever substitutions like "3" for "e") is vulnerable to dictionary-style guessing. A genuinely random string of characters, generated the way this tool does it, has no pattern to guess at all — the only option left is exhaustive brute force, which becomes impractical fast as length increases.

How to Use This Password Generator

  1. 1Set the lengthType or drag, from 4 up to 128 characters. 16 is the default and a good choice for most accounts.
  2. 2Choose character typesLowercase, uppercase, numbers and symbols. Every type you choose is guaranteed to appear at least once.
  3. 3Match the website's rulesSet how many symbols to include, use "Website-safe" symbols or your own list if a site rejects some, avoid look-alike characters, or exclude any character.
  4. 4Copy it, or make severalCopy the password, press New for another, or make 5, 10 or 20 at once. The meter shows the strength in bits and the estimated time to crack.

Tips for Keeping Your Passwords Safe

  • Use a different password for every account — a single reused password puts every account tied to it at risk.
  • Save your passwords in a password manager instead of writing them down or relying on memory.
  • Turn on two-factor authentication (2FA) wherever it is available for an extra layer of protection.
  • Update a password immediately if a service reports a data breach, even if your account was not directly affected.
  • Never share passwords over email, chat, or text — use a secure sharing method instead.

Frequently Asked Questions

Is this password generator safe to use?

Yes. Every password is generated locally in your browser using your device’s cryptographically secure random number generator. Nothing you generate is ever transmitted, logged, or stored on our servers.

What is a good password length?

For most accounts, 12–16 characters is a good baseline. For highly sensitive accounts like email, banking, or a password manager’s master password, consider 16 or more characters with a full mix of character types.

Should I include numbers and symbols in my password?

Yes. Mixing uppercase and lowercase letters, numbers, and symbols significantly increases the number of possible combinations, making a password much harder to guess or crack.

Does this tool store or save the passwords I generate?

No. Passwords are generated entirely on your device and are never saved, logged, or sent anywhere — not even to us.

Can I use this generator for Wi-Fi, email, or banking passwords?

Yes. This generator works for any account or service — email, social media, Wi-Fi networks, banking, or any login that requires a strong password.

What does "bits" and the crack time mean?

Bits measure how many guesses an attacker would need: each extra bit doubles it. The crack time assumes a fast offline attack of 10 billion guesses a second, the worst case if a site's password database leaks with weak hashing. 80 bits or more is very strong; a random 16-character password with all four types has about 100 bits.

Why avoid look-alike characters?

Characters like I (capital i), l (lowercase L), 1, O and 0 are easy to confuse when you read a password from paper or type it on a TV or another device. Turning them off makes the password slightly shorter in strength, so add a character or two to make up for it.

How often should I change my passwords?

You do not need to change strong, unique passwords on a fixed schedule. Change a password immediately if the service reports a data breach, if you suspect it has been exposed, or if you have reused it elsewhere.

Is a randomly generated password better than one I make up myself?

Almost always, yes. Human-created passwords tend to follow patterns — a favorite word, a birth year, a keyboard sequence — that dictionary attacks specifically account for. A password generated from true randomness has no such pattern to exploit, which is the entire reason password generators exist.

How is this different from my browser's built-in password suggestion?

Functionally similar — both aim for a random, high-entropy string. The advantage here is full control over length and exactly which character types are included, plus a password generated once without being tied to a specific browser account or sync service.

Should I still use a password manager if I use this generator?

Yes — a generator and a password manager solve different problems. This tool creates a strong password on demand; a password manager is what actually remembers dozens of unique ones for you, so you never have to reuse a password because it's the only one you can recall.