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Password Generator

Generate cryptographically secure random passwords with custom length and character types.

โœ“ Free ยท No sign-up ยท Works in browserLast updated: May 2026 ยท Tested on Chrome, Firefox, Edge, Safari

Use Password Generator

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How to Use Password Generator

  1. Set your desired password length using the slider. The range is 8 to 64 characters. Most security guidelines recommend a minimum of 16 characters for regular accounts and 20+ for banking and email.

  2. Toggle the character types you want included: Uppercase letters (Aโ€“Z), Lowercase letters (aโ€“z), Numbers (0โ€“9), and Symbols (!@#$%^&* and others). At least two types must be active to generate a password.

  3. Click "Generate Password". A cryptographically random password is created instantly using your browser's Web Crypto API and displayed in the dark panel.

  4. Click "Copy" to copy the password to your clipboard in one click, then paste it directly into your password manager or account registration form. The strength meter shows the security rating instantly.

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About Password Generator

Weak and reused passwords are involved in the majority of data breaches. The AWE-OS Password Generator creates cryptographically secure, fully random passwords up to 64 characters long with your choice of character types โ€” uppercase, lowercase, numbers, and symbols. Each password is generated entirely in your browser with no server communication and no logging of any kind.

The randomness source matters. Most basic password generators use JavaScript's Math.random() function, which is a pseudo-random algorithm seeded from a predictable state. This tool uses window.crypto.getRandomValues() โ€” the Web Cryptography API built into every modern browser. This function draws entropy from hardware sources (mouse movement, CPU timing jitter, system interrupts) and produces randomness that is unpredictable even to the browser itself. It is the same source used by professional cryptographic libraries.

Password length is the single most important factor in resistance to brute-force attacks. A 16-character password with all four character types drawn from a pool of roughly 90 characters produces approximately 1.9 ร— 10ยณโฐ possible combinations โ€” a number so large that it would take millions of times longer than the age of the universe to exhaust with any conceivable hardware. The built-in strength meter analyses seven criteria including length thresholds and character diversity, giving you instant visual feedback on the quality of each generated password.

The most effective security practice is to combine a strong password generator with a dedicated password manager. Generate a unique password for every account, save it in your manager, and never memorise or reuse credentials across services. If any one service suffers a breach, attackers who find your password cannot use it anywhere else. Bitwarden (free, open-source), 1Password, and KeePass are widely trusted options. Generate a password here, copy it in one click, and paste it directly into your manager's entry form.

Honest limitation: Generates strong passwords locally, but a password is only as safe as where you store it โ€” use a password manager.

Tips & Best Practices for Password Generator

  • ๐Ÿ’กUse a password length of at least 16 characters for all accounts โ€” longer passwords are exponentially stronger than shorter ones regardless of complexity. A random 16-character password with mixed characters has over 100 bits of entropy.
  • ๐Ÿ’กEnable all four character types (uppercase, lowercase, digits, special characters) to maximise the character pool and strength โ€” reducing to only letters or only alphanumeric characters reduces entropy significantly.
  • ๐Ÿ’กCopy the generated password to a password manager (Bitwarden, recommended โ€” free and open-source) immediately before using it โ€” once you close or navigate away from the generator, the password cannot be recovered.
  • ๐Ÿ’กGenerate a unique password for every account โ€” reusing passwords across accounts means a single data breach exposes all your accounts. Password managers make unique passwords practical to maintain.
  • ๐Ÿ’กFor accounts that require periodic password changes (banking portals, corporate systems), generate a new password using the tool and update your password manager entry at the same time.
  • ๐Ÿ’กUse the Bulk Generate feature to create several passwords at once for batch account setup, such as when onboarding new team members or creating multiple service accounts simultaneously.

Common Mistakes to Avoid with Password Generator

  • โœ•Using a generated password without storing it in a password manager โ€” a strong password you cannot remember is not useful. Always save immediately to a password manager before using it.
  • โœ•Choosing special characters that your target website does not accept โ€” some banking websites, government portals, and older enterprise systems reject certain special characters. If you encounter a validation error, try regenerating with only alphanumeric characters.
  • โœ•Thinking a short but complex password is strong โ€” "P@5!" is a 4-character password and is not strong despite using all character types. Length is far more important than complexity for password strength.
  • โœ•Not enabling 2FA after setting a strong password โ€” even the strongest password can be stolen through phishing or data breaches. Enable two-factor authentication on every account that supports it to add a second line of defence.
  • โœ•Generating passwords over a public Wi-Fi network โ€” while passwords are generated locally in your browser and never transmitted, avoid any sensitive security actions on unsecured public networks as a general practice.
  • โœ•Assuming that seeing a password once before typing it correctly constitutes "memorising" it โ€” human memory is unreliable for long random strings. Always store in a password manager rather than relying on memory.

Frequently Asked Questions

Is this password generator truly random?
Yes. The tool uses window.crypto.getRandomValues() โ€” the browser's built-in cryptographically secure random number generator. This is the same API used by security libraries, password managers, and encryption tools. It produces true randomness seeded by hardware entropy, unlike Math.random() which is pseudo-random and predictable.
Are my generated passwords stored anywhere?
No. Password generation runs entirely in your browser with no network requests. The password is generated in memory, displayed locally, and cleared when you close or refresh the page. Nothing is transmitted to any server, logged, or stored in any way โ€” not even in the browser's local storage.
What length should I use for a strong password?
We recommend at least 16 characters with all four character types enabled. For high-value accounts โ€” email, banking, cloud storage, password manager master password โ€” use 20 or more characters. Length is the single biggest factor in resistance to brute-force attacks: each additional character multiplies the number of possible combinations by the size of the character pool.
Why should I use symbols in passwords?
Symbols increase the character pool from 62 (uppercase + lowercase + numbers) to roughly 90 characters, which multiplies the total number of possible combinations by a factor of 90 for each character position. A 16-character password with symbols has approximately 1,000 times more possible combinations than the same length without symbols โ€” a meaningful barrier against automated cracking tools.
How strong is a 16-character password with all character types?
A 16-character password drawn from a pool of ~90 characters (uppercase, lowercase, digits, symbols) has approximately 1.9 ร— 10ยณโฐ possible combinations. At a rate of one trillion guesses per second โ€” far beyond the capability of any existing hardware โ€” it would take over 60 trillion years to exhaustively test all possibilities. In practice it is computationally unbreakable.
Should I use a different password for every account?
Yes, always. Password reuse is the primary reason that a data breach at one site leads to account takeovers at others โ€” attackers automatically try leaked credentials across thousands of services. The only practical way to use unique passwords for every account is to use a password manager such as Bitwarden, 1Password, or KeePass. Generate a new password here, copy it, and save it directly into your manager.

Built & maintained by Team AWE-OS

This tool is developed in-house and manually re-tested on Chrome, Firefox, Edge, and Safari after every update, following our tool testing policy. Found a bug? Tell us โ€” fixes are usually shipped within days.

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