DeveloperFormula-based · Runs in your browser

Password Generator

Generate a cryptographically secure password locally; bookmarkable URLs save settings, not the password.

Loading calculator…

Saved locally, explained clearly

Drafts, calculations, scenarios, and workflow progress stay in this browser unless you export them.

Opening local database…

Calculation steps

Follow what happened from the selected formula to the displayed answer.

Show substituted values and intermediate working
Calculate current inputs to see the working.
  1. 1

    Formula selected

    The calculator uses the following formula or method.

    At least one character is selected from every enabled group; remaining characters use cryptographically secure random selection and the final sequence is securely shuffled.

  2. 2

    Values entered

    Your values are placed into the calculation.

    Enter values to see what is used in this step.

  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

Scenario comparison

Save working scenarios, then select two or three to compare. Formula versions and inputs remain visible.

No scenarios saved for this calculator yet.

Recent calculations

Successful calculations are retained locally according to your privacy settings.

No local history for this calculator yet.

Data and privacy

How it works

Generate high-entropy, secure passwords to protect your digital accounts.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

4
  • ?length= Length

    Text · Optional · Default: 16

  • ?includeUppercase= Include uppercase

    True or false · Optional · Default: true

  • ?includeNumbers= Include numbers

    True or false · Optional · Default: true

  • ?includeSymbols= Include symbols

    True or false · Optional · Default: true

Outputs

1
  • result Result

    Text · Primary output

result contains the calculator’s complete rendered result area, including its visible result cards, tables, charts, and messages.

Create secure, random passwords to protect your digital accounts

Description

The Password Generator is a critical cybersecurity utility designed to help you create unique, complex passwords for every website you use. High-security passwords should not be predictable “words” or “dates”—they should be random strings of characters that are difficult for “brute-force” programs to guess. This tool allows you to customize the length and complexity of your password to meet the requirements of any service.

Inputs

  • Length: Choose how many characters you want (Recommended: 12-16+).
  • Include Uppercase: Mix in capital letters (A-Z).
  • Include Numbers: Mix in digits (0-9).
  • Include Symbols: Mix in special characters (e.g., !, @, #, $).

Outputs

  • Generated Password: A randomly generated string.
  • Copy to Clipboard: A one-click button to save the password to your device.

Chart

  • N/A: This tool provides a direct randomized result.

“Good to Know”

  • Entropy: In security, “entropy” measures the randomness of a password. A 16-character password with mixed characters has trillions of times more combinations than an 8-character password.
  • Never Reuse: Even a strong password is a risk if you use it on multiple sites. If one site is hacked, your password for every other site is exposed. Use this generator to create a different one for each account.
  • Password Managers: Because these random passwords are hard to remember, it is highly recommended to store them in a secure Password Manager.

Examples

Example 1: Standard Secure

  • Input: 12 chars, Mixed
  • Output: k#9P@v2!Lz*q

Example 2: Extra Long / High Security

  • Input: 24 chars, Mixed
  • Output: 8$Fj&2n_P+Qm5^R!9w[Lz1#X

Example 3: Simple Numeric

  • Input: 8 chars, Numbers only
  • Output: 49205138
Sources
  • No external reference is listed for this calculator. Its formula and variable definitions are shown above.
Limitations
  • Generated locally. Store passwords in a reputable password manager and use unique credentials.
  • Output is generated locally. Check the required format, character encoding, and compatibility with the system that will use it.