Free Strong Password Generator
Create strong, random passwords with custom rules.
Weak or reused passwords are one of the biggest security risks online. The ToolVerse AI Password Generator creates strong, random passwords using your browser's cryptographically secure random number generator. Customise the length and which character types to include, then copy your new password straight to a password manager.
It generates strong, random passwords based on your chosen length and character types (uppercase, lowercase, numbers, symbols), giving you a secure password instantly without having to invent one yourself.
Who should use this tool: Anyone creating a new account who wants a genuinely strong password rather than a reused or predictable one, IT administrators setting up default credentials, and people who've been told to update a weak password and need a quick, secure replacement.
Examples in Practice
Here are some examples of the types of passwords this tool generates:
- 16 characters (all types):
Xk#9mQpL!2nRvW7s— suitable for most accounts - 12 characters (letters + numbers):
Bq7mNrK3xPz2— good for services that don’t allow symbols - 20 characters (high security):
Jt@5uYeD#2kFsW!9qMnA— ideal for banking and email accounts
Always store generated passwords in a password manager such as Bitwarden, 1Password, or your browser’s built-in manager.
How to Use Strong Password Generator
- Adjust the length slider to set how many characters the password should have.
- Tick or untick character types — uppercase, lowercase, numbers and symbols.
- Click Generate Password for a new random password.
- Click Copy to copy it to your clipboard, then paste it into your password manager.
At a Glance
- Uses the Web Crypto API for cryptographically secure randomness.
- Adjustable length from 6 to 64 characters.
- Toggle uppercase, lowercase, numbers and symbols independently.
- Excludes visually ambiguous characters like 0/O and l/1 for easier typing.
What You Gain
- Create unique passwords for every account to reduce breach risk.
- Meet minimum complexity requirements for most websites.
- Generate passwords instantly without creating an account.
Where Strong Password Generator Gets Used
Most people reach for Strong Password Generator at the exact same moment: Creating a new account password.
- Creating a new account password: Generate a strong, unique password for a new online account instead of reusing a password from another site.
- Setting up temporary credentials: IT staff can generate a random temporary password for a new employee account that will be changed on first login.
- Strengthening an existing weak password: Replace a predictable or previously breached password with a newly generated strong one.
- Generating passphrases for a password manager: Create strong random passwords to store in a password manager for accounts you don't need to memorize.
Limitation
A Few Gotchas
If Strong Password Generator has ever given you a confusing result, this is usually why: Reusing a generated password across multiple accounts.
- Reusing a generated password across multiple accounts. Even a strong password loses its protective value if the same one is reused everywhere; a single breach can then expose every account. Generate a unique password per site.
- Choosing a shorter length for convenience. Shorter passwords are significantly easier to crack through brute force. Use the longest length a given site allows, ideally 16+ characters, rather than optimising for easy typing.
- Excluding symbols or numbers to make it 'easier to remember'. Restricting the character set reduces the total possible combinations, making the password weaker. Use a password manager to store strong, generated passwords instead of memorising them.
Getting Better Results from Strong Password Generator
- Use the maximum length your account allows: Longer passwords are exponentially harder to crack than adding more character types to a short one — favor length when possible.
- Never reuse a generated password across sites: Even a strong password loses its value if it's reused, since one breached site can expose access to every other account using the same password.
- Store passwords in a password manager, not a text file: Generated passwords are long and random by design — a password manager, not a plain text note, is the safe way to store and retrieve them.
FAQ, Briefly
Are these passwords stored anywhere?
No. Passwords are generated locally in your browser using the Web Crypto API and are never transmitted or stored on any server.
How long should my password be?
Security guidance generally recommends at least 12–16 characters with a mix of character types for important accounts.
Why are some characters like 0, O, l and 1 excluded?
These characters can look similar in certain fonts, so they're excluded by default to reduce the chance of mistyping the password when entering it manually.
Does adding more character types matter more than length?
Length matters more. A 16-character password using only lowercase letters is harder to brute-force than an 8-character password using every character type, because each extra character multiplies the possible combinations exponentially. Aim for both — 16+ characters with mixed types — but if you must choose, choose length.
Is it safe to generate a password using an online tool?
A generator that creates passwords locally in your browser without transmitting them anywhere is safe; avoid tools that email you the generated password or require an account, since those introduce unnecessary exposure.
Should I include symbols in my password?
Including a mix of uppercase, lowercase, numbers, and symbols increases password strength, though length matters more than character variety alone.
Can I remember a randomly generated password?
Randomly generated passwords are intentionally hard to memorize — that's why using a password manager alongside a generator is the recommended approach.
Is a generated password guaranteed to never be guessed?
No password is unguessable given unlimited time, but a sufficiently long, random password makes brute-force guessing computationally impractical with current technology.