Password Generator

Generate strong passwords with customizable length, character sets, and strength meter. Uses Web Crypto API for true randomness.

How It Works

1

Set your requirements

Choose length, character sets, and exclusions using the controls.

2

Generate

A secure password is generated using crypto.getRandomValues() — true cryptographic randomness.

3

Check and copy

Review the strength meter and estimated crack time. Copy with one click.

FAQ

Very secure. They use the Web Crypto API (crypto.getRandomValues), the same source of randomness used for TLS encryption.
Based on 10 billion guesses per second (a generous estimate for modern hardware). Actual crack time depends on the attacker's resources.
Entropy (in bits) measures password unpredictability. Higher is better. 80+ bits is strong, 128+ bits is extremely strong. Once you have a strong passphrase, you can use it with the encrypt/decrypt tool to protect sensitive text.

Built & Maintained by Varstatt

Varstatt is a one-person product studio run by Jurij Tokarski, product engineer since 2011. These tools are free and open — no signup, no catch.