This tool runs entirely in your browser. No data is sent to any server.

Password Generator — Strong Random Passwords, No Server

Works offline Password never leaves your device No account GDPR-safe
Strength
8326496128

Why Strong Passwords Matter

Weak passwords remain one of the leading causes of account compromise. Dictionary attacks, credential stuffing (using passwords leaked from other breaches), and brute-force attacks are all trivially automated. A strong, unique password for every account is the single most effective defence against these attacks.

What Makes a Password Strong?

  • Length — Every extra character exponentially increases the search space. A 16-character password is orders of magnitude harder to crack than an 8-character one.
  • Character variety — Mixing uppercase, lowercase, digits, and symbols increases the number of possible values per position from 26 to 94+.
  • Randomness — Human-chosen passwords are predictable. Cryptographically random passwords are not.
  • Uniqueness — Reusing passwords across sites means a single breach exposes all accounts. Use a password manager.

Why Browser-Based Generation Is Safer

This tool generates passwords using crypto.getRandomValues() — the browser's cryptographically secure random number generator — not Math.random(), which is predictable. More importantly, nothing is transmitted to a server. A server-side password generator could log every password it generates. This one cannot — there is no server involved at all.

Generating Secure Passwords in PHP and Laravel

  • random_bytes(16) — Generates 16 cryptographically random bytes from the OS CSPRNG
  • bin2hex(random_bytes(16)) — Returns a 32-character random hex string
  • base64_encode(random_bytes(24)) — Returns a ~32-character base64 string
  • Str::random(32) — Laravel helper that generates a random alphanumeric string of the given length
  • Str::password(16) — Laravel 9.35+ helper for strong passwords with mixed character sets

For password storage, never store plaintext. Use Laravel's Hash::make($password) (bcrypt by default) or PHP's native password_hash($password, PASSWORD_BCRYPT).

Privacy & How It Works

Passwords are generated using crypto.getRandomValues() — the browser's native CSPRNG. No password is ever transmitted to any server.

  • No server calls — Every password is generated locally in your browser.
  • Works offline — Once the page loads, no internet connection is needed.
  • GDPR-safe — Nothing is collected, logged, or stored.
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