Skip to content

Security

Secure Password Generator

Secure Password Generator

Generate strong, random passwords in your browser; on this page nothing is sent to a server. Set length and character sets, and check strength as you type.

Use via API
  • Free, no sign-up
  • REST + MCP
  • Updated
  • Reviewed by Olgun Ozoktas
Password Strength
Weak0 bits
Crack time: Instant

Best for most accounts — maximum entropy, hardest to crack.

Quick Presets


16
63264128

Character Settings


Generate 1-50 passwords at once

Security Tips

  • Use a different password for every account.
  • Enable Two-Factor Authentication (2FA) whenever possible.
  • Use a password manager to store these complex passwords securely.
  • Aim for at least 12 characters; 16 is ideal.

History

No password history yet.

How to Generate a Secure Password

  1. Choose your password type

    Select Random for maximum security, Memorable for easy-to-type passwords, or PIN for numeric codes. Random passwords offer the highest entropy and are recommended for most online accounts.
  2. Set length and character options

    Adjust the slider to your desired length (16 characters or more is recommended). Enable uppercase, lowercase, numbers, and symbols for the strongest possible combination.
  3. Generate and review your password

    Click Generate New Password. The tool instantly creates a cryptographically random password using the Web Crypto API directly in your browser. Check the strength meter to confirm it rates Strong or Very Strong.
  4. Copy and store securely

    Click Copy to save the password to your clipboard. Paste it into your password manager or account signup form. Never write passwords down on paper or store them in plain text files.

Common Use Cases

Creating Account Passwords

Generate unique, high-entropy passwords for every online account: email, banking, social media, and shopping sites. Using a distinct password for each service prevents credential-stuffing attacks from compromising multiple accounts at once.

Wi-Fi Network Passwords

Create strong WPA3 or WPA2 passphrases for your home or office wireless network. A randomly generated Wi-Fi password with 20 or more characters makes brute-force attacks on your network practically impossible.

API Keys and Secrets

Developers can generate random strings for API tokens, webhook secrets, and encryption keys. Use the maximum-length random mode with all character types enabled to produce keys with sufficient entropy for production systems.

Password Manager Master Passwords

Use the Memorable mode to create a strong but typeable master password for your password vault. Memorable passwords combine random words with separator characters, balancing security with the need to enter them manually on devices where paste is unavailable.

Why use a random password generator?

Humans are terrible at being random. We tend to use patterns, birthdays, and common words that hackers can easily guess using dictionary attacks. A random password generator creates unpredictable strings of characters that are mathematically much harder to crack.

Password entropy measures how unpredictable a password is, expressed in bits. A password with 80 bits of entropy has 2^80 possible combinations, meaning an attacker performing a brute-force attack at one trillion guesses per second would need over 38,000 years to try every possibility. This generator uses the Web Crypto API's crypto.getRandomValues() function, which draws from your operating system's cryptographic random number generator to ensure true randomness in every password it creates.

Modern brute-force attacks can test billions of password combinations per second using GPU clusters. A short, simple password like Summer2024! falls to dictionary attacks in minutes because it follows predictable patterns. NIST Special Publication 800-63B recommends passwords of at least 8 characters but encourages longer passphrases and explicitly advises against composition rules that lead to predictable substitutions (like @ for a). Our generator follows these guidelines by offering both high-entropy random passwords and memorable passphrases that achieve strong security without forced complexity.

On this page, all password generation runs in your browser and nothing is transmitted to a server; the page keeps your last 10 passwords in this browser's local storage as a history you can clear. The REST API and MCP tool are a separate path, where a call sends the options you include to FindUtils, which generates the password without storing it. For additional security workflows, you can verify data integrity with our SHA-256 Hash Generator or encode sensitive tokens using the Base64 Encoder. Combine generated passwords with two-factor authentication for the strongest possible account protection.

How it compares

Unlike password generators built into LastPass, 1Password, or Dashlane, FindUtils Password Generator requires no account, no browser extension, and no subscription. LastPass and 1Password both generate passwords within their paid ecosystems and require you to install proprietary software. Their generators work well but lock you into a specific vault. On this page, FindUtils generates passwords in your browser using the Web Crypto API and makes no network request, so a password is not transmitted to a server. The page keeps your last 10 passwords in this browser's local storage as a history, so on a shared or public computer, clear the history when you are done. That makes it useful wherever you cannot install software. For users who already have a password manager, FindUtils serves as a quick, trustworthy second opinion when you need a password generated outside your vault.

Frequently Asked Questions

Is this password generator safe to use?

On this page, yes. Every password is generated in your browser using cryptographically secure randomness (Web Crypto API) and is not sent to our servers. The page keeps your last 10 passwords in this browser's local storage as a history, which you can clear. The REST API and MCP tool are a separate path: a call sends the options you include to FindUtils over HTTPS, where the password is generated and returned. FindUtils does not store it, and logs the request without its content. Use the page, not the API, for a secret you cannot share.

What makes a password strong?

A strong password is long (16+ characters), uses a mix of uppercase, lowercase, numbers, and symbols, and avoids common patterns or dictionary words. Our generator creates passwords with high entropy that are mathematically difficult to crack.

Should I use a different password for every account?

Absolutely. Using unique passwords for each account ensures that if one password is compromised, your other accounts remain secure. Use a password manager to keep track of all your passwords.

What is a memorable password and when should I use it?

Memorable passwords use random words separated by characters (like 'correct-horse-battery-staple'). They're easier to type and remember while still being secure. Use them for accounts you need to type manually, like your computer login.

How long does it take to crack a password?

It depends on length and complexity. A simple 8-character password can be cracked in hours, while a 16-character password with mixed characters would take centuries with current technology. Our tool shows estimated crack time for each password.

What is password entropy and why does it matter?

Password entropy is a measure of randomness expressed in bits. Higher entropy means more possible combinations an attacker must try. A 12-character password using uppercase, lowercase, numbers, and symbols has roughly 79 bits of entropy, which would take billions of years to brute-force with current hardware.

Is a longer password always better than a complex one?

Length contributes more to password strength than complexity alone. A 20-character lowercase password has more entropy than an 8-character password with every character type. That said, combining both length and complexity provides the strongest protection.

Does this tool store or transmit my generated passwords?

Not on this page. The page runs in your browser and makes no network request while generating, so a password is not transmitted. It does keep your last 10 passwords in this browser's local storage, so the History list survives a reload; clear it from the History list when you are done, especially on a shared computer. The REST API and MCP tool are a separate path: a call sends the options you include to FindUtils over HTTPS, where the password is generated and returned. FindUtils does not store it, and logs the request without its content. Use the page, not the API, for a secret you cannot share.

What does NIST recommend for password security?

NIST Special Publication 800-63B recommends passwords of at least 8 characters, encourages longer passphrases, and advises against mandatory complexity rules that lead to predictable patterns. It also recommends screening passwords against known breach databases and supporting paste functionality in password fields.

Can I use this generator for API keys and encryption secrets?

Yes. Use the Random mode with maximum length and all character types enabled to generate high-entropy strings suitable for API keys, webhook secrets, JWT signing keys, and encryption passphrases. For dedicated key generation with hex and base64 output formats, try our Random Key Generator tool.

Rate This Tool

0/1000

Get Weekly Tools

Suggest a Tool