BN Web Tools – Handy Online Tools & Utilities

Password Generator + Manager

Generate strong, unbreakable passwords. Analyze their strength and store them securely in your browser with AES encryption.

Password Generator 100% Secure
Your password
— —
Length 16
Uppercase (A-Z)
Lowercase (a-z)
Numbers (0-9)
Symbols (!@#$)
Exclude similar (0O1lI)
No repeating chars
Tip: Passwords are generated using your browser's cryptographically secure random number generator. They never leave your device.

Why use this Password Generator + Manager?

Using weak or reused passwords can put multiple accounts at risk. The problem is that creating a different, strong password for every website can be difficult, especially when you have many accounts to manage.

This Password Generator + Manager combines a secure password generator with a local password vault. You can create random passwords with different character types and, when needed, save them in the tool's vault for later use.

You can control the password length and choose whether to include uppercase letters, lowercase letters, numbers, and symbols. Additional options can help you avoid similar characters or repeated characters when those restrictions are useful.

The tool also provides a password strength estimate, allowing you to compare shorter and longer passwords before deciding which one to use.

How to use the Password Generator

  1. Set the password length using the available slider. A longer password generally provides more possible combinations.
  2. Select the character types you want to use, such as uppercase letters, lowercase letters, numbers, and symbols.
  3. If needed, enable Exclude similar to avoid characters that can be difficult to distinguish, such as certain letters and numbers.
  4. Enable No repeating chars if you want the generated password to avoid using the same character more than once.
  5. Click Generate New Password to create a password using your selected settings.
  6. If you do not like the generated password, generate another one without changing the settings.
  7. Use the Copy option to copy the password and paste it into the account where you want to use it.
  8. If you use the manager feature, save the password in the vault with a recognizable name such as Gmail, Facebook, or another account name.
  9. Check the displayed strength information before using the password, particularly when creating passwords for important accounts.

An example

Suppose you generate an 8-character password using only lowercase letters. A password such as kamblqxj has a much smaller number of possible combinations than a longer password containing several character types.

Now change the length to 16 characters and enable uppercase letters, lowercase letters, numbers, and symbols. The tool may generate something like K7@pLm!nXv$3bQr9. This type of password has considerably more possible combinations because it is both longer and uses a wider range of characters.

After generating the password, you can copy it directly for your account or save it in the vault with the account name. If you need another password later, simply change the settings if necessary and generate a new one.

Password Generator + Manager – FAQ

Yes. We use your browser's built-in crypto.getRandomValues() API, which taps into the operating system's cryptographically secure random number generator. This is the same standard used for encryption keys, and it's far superior to the standard Math.random() function used by many online generators.
Completely. Everything runs in your browser. No passwords, usernames, or vault data are ever sent to a server. Even when you save a password to the vault, it's stored locally in your browser using localStorage. Nobody — including us — can see what you generate or save.
A password is strong when it has three qualities: length (16+ characters), variety (uppercase, lowercase, numbers, symbols), and unpredictability (no dictionary words or patterns). Our generator defaults to all four character types at 16 characters — that's around 100 bits of entropy, which would take a modern computer billions of years to brute-force.
The vault is a personal password storage area that lives entirely in your browser. When you save a password, it's stored in your browser's local storage — encrypted with AES-256 using the Web Crypto API. Only your device and browser can access it. If you clear your browser data or switch devices, the vault won't transfer — so export it as a backup regularly.
It removes characters that can be confused with each other when typed or read — like 0 (zero) vs O (letter O), 1 (one) vs l (lowercase L) vs I (uppercase i). This makes passwords easier to enter manually without mistakes, at a tiny cost to security.
It ensures every character in the password is unique. This slightly reduces the total number of possible combinations, but makes the password harder to guess using pattern-based attacks. It's particularly useful for shorter passwords.
We estimate entropy (based on character pool size and length) and divide by a realistic guess rate of 10 billion attempts per second — approximately what a modern GPU-based attack can achieve. The result is a rough "how long would it take to brute-force this password" estimate.
Yes. Click "Export" in the Vault tab, and you'll download a plain text file containing all your saved passwords in a readable format. Keep this file safe — it contains sensitive data. We recommend storing it in an encrypted location (like a password manager or encrypted folder) and deleting it after use.
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