Password Generator

Author: Henrick Yau
- May 14, 2025
| |

Calculators

Generate secure, random passwords with customizable options for length and character types. Use this tool to create strong passwords for your online accounts.

Password Options

Character Types to Include:

Advanced Options

About Password Security

Creating strong, unique passwords is essential for protecting your online accounts and personal information. Here's why password security matters:

What Makes a Strong Password?
  • Length: Longer passwords are more secure. Aim for at least 12 characters.
  • Complexity: Include a mix of uppercase and lowercase letters, numbers, and special characters.
  • Unpredictability: Avoid common patterns, words, or personal information.
  • Uniqueness: Use different passwords for different accounts.
Common Password Attacks
  • Brute Force: Attackers try every possible combination until they find the right one.
  • Dictionary Attack: Attempts common words, phrases, and their variations.
  • Credential Stuffing: Using leaked username/password combinations on multiple sites.
  • Phishing: Tricking users into revealing their passwords through fake websites or emails.
Password Management Best Practices
  • Use a reputable password manager to securely store and generate unique passwords
  • Enable two-factor authentication whenever possible
  • Regularly update passwords for critical accounts
  • Check if your accounts have been involved in data breaches using services like "Have I Been Pwned"
  • Consider using passphrases (multiple random words) for passwords that must be memorized

What This Password Generator Does

The Password Generator is a free, easy-to-use tool that helps you create strong, secure passwords based on your preferences. It lets you control the length, quantity, and types of characters used. This ensures that each password is unique and harder to guess or crack, providing stronger protection for your online accounts.

Benefits of Using a Password Generator

Using weak or reused passwords can leave your accounts vulnerable to hacking. This generator helps you avoid that by producing secure passwords instantly.

  • Customizable: Choose the length and number of passwords.
  • Secure: Include letters, numbers, and special characters.
  • Safe Options: Exclude characters that are easily confused or ambiguous.
  • Strength Indicator: See how strong your generated passwords are.

Steps to Generate Secure Passwords

Follow these simple steps to generate your secure passwords:

  • Set the desired password length (6 to 128 characters).
  • Select how many passwords you want to generate (up to 10).
  • Choose the character types to include:
    • Uppercase Letters (A–Z)
    • Lowercase Letters (a–z)
    • Numbers (0–9)
    • Special Characters (!@#$%^&*)
  • Optional:
    • Exclude characters that look similar (like 1, l, I, O, 0).
    • Exclude ambiguous symbols (e.g., {}, [], /, \, etc.).
    • Require at least one character from each selected type.
  • Click "Generate Password" to see your results.
  • Click "Copy" to save a password to your clipboard.

Password Strength Formula

Password Strength Score = Length Score + Character Variety + Uniqueness Bonus + Entropy Estimate

The tool calculates a score based on how long and varied the password is, and how many unique characters it includes. A higher score means stronger security.

Password Security Tips

  • Use a different password for each account.
  • Keep passwords stored in a trusted password manager.
  • Turn on two-factor authentication whenever it's offered.
  • Update passwords for important accounts regularly.
  • Never share your passwords with anyone.

Questions About Password Security

Can I use this for multiple accounts?

Yes. You can generate multiple strong passwords at once and use a different one for each account.

Are these passwords truly random?

Yes. The generator uses randomization methods to ensure each password is unique and unpredictable.

What does "Exclude Similar Characters" mean?

This removes characters that look alike, such as "1" and "l", to avoid confusion when reading or typing the password.

Is the password saved anywhere?

No. All passwords are generated on your device and are not stored or sent anywhere.

How do I know if a password is strong?

The tool gives each password a strength score with a visual indicator and explanation. You can also check strength at Password Strength Calculator. Aim for a password marked as "Strong" or "Very Strong".

How Strong Passwords Protect Your Accounts

Strong passwords are one of the easiest ways to secure your digital life. This tool saves you time and effort by generating secure passwords that are difficult to crack, giving you peace of mind across all your devices and accounts.

Related Calculators