Should I exclude ambiguous characters?

Only if you might need to type the password by hand or read it aloud — the option removes easily confused characters like l, 1, I, O, and 0. For passwords you'll paste from a password manager, leaving them in gives you a slightly larger character set to draw from.

Why include symbols and numbers?

Each additional character type (lowercase, uppercase, numbers, symbols) expands the pool of possible characters at every position, which increases the number of guesses an attacker needs — the core reason mixed-character passwords are harder to crack than long words alone.

Can I generate a password without symbols?

Yes — uncheck Symbols if a site doesn't allow them. For the strongest result where it's allowed, leave all four character types checked.

What password length should I use?

16 characters or more is a solid default for most accounts today; use the maximum a site allows for anything protecting sensitive data. Length matters more than variety — a long password with fewer character types can still beat a short one with every type included.

Password Generator Online

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Generate strong, random passwords with a cryptographically secure generator — entirely in your browser.

✓ Never uploaded — generated in your browser

Length 16

Character types

Uppercase (A–Z) Lowercase (a–z) Numbers (0–9) Symbols (!@#$…)

Exclude ambiguous characters (l, 1, I, O, 0)

Never uploaded

Passwords are generated entirely in your browser using the Web Crypto API — nothing is sent to our servers.

Cryptographically random

Built on crypto.getRandomValues(), not Math.random() — the same source used for real cryptographic keys.

Free, no limit

No account, and no limit on how many passwords you can generate.

What Makes a Password Strong?

A password's strength comes down to how many guesses an attacker would need to find it — which depends mostly on two things: length, and how many different characters could appear at each position. A long password drawn from a wide pool of letters, numbers, and symbols is exponentially harder to guess than a short one, even a clever-looking short one, because every extra character multiplies the number of possible combinations.

How to Generate a Secure Password

Set the length. 16 characters or more is a solid default for most accounts.
Choose character types. Leave uppercase, lowercase, numbers, and symbols all checked unless a site restricts them.
Generate. A new password appears instantly — click the refresh icon (or the button below) for another.
Copy and save it. Use the copy icon, then store it in a password manager — it isn't saved anywhere by this tool.

Frequently Asked Questions

How random are these passwords, really?

Genuinely random — generated with the Web Crypto API's crypto.getRandomValues(), not Math.random().

Is my generated password sent anywhere?

No. Every password is generated entirely in your browser and never transmitted anywhere.

What does the strength meter measure?

An estimate of entropy based on the password's length and character variety.

Is the password generator free?

Yes, with no account required and no limit on how many passwords you can generate.

Generate a password now