Password Generator

A strong password is the foundation of your account security. This generator creates cryptographically strong passwords using the browser's built-in random number generator (Web Crypto API), ensuring the unpredictability of every character.

What Makes a Password Strong Password strength is determined by its entropy — the number of bits of randomness. The longer the password and the greater the character variety (mixed case letters, digits, special symbols), the higher the entropy and the harder it is to crack by brute force. A 16-character password with all character types has about 105 bits of entropy — brute-forcing it would take billions of years.


Bulk Generation

Free online secure password generator. Create cryptographically strong passwords using your browser's built-in random number generator (crypto.getRandomValues). Customize password length from 8 to 128 characters and select the desired character sets: uppercase and lowercase letters, digits, and special symbols.

The built-in strength indicator estimates password entropy in bits and visually shows the reliability level — from weak to very strong. Entropy is calculated based on password length and alphabet size, providing an objective assessment of brute-force resistance.

The bulk generation feature allows you to create up to 10 passwords at once and copy them all to the clipboard. All computations are performed locally in your browser — passwords are never transmitted or stored on any server.