100% On-Device Randomness

Secure Password Generator

Create cryptographically strong passwords locally. No data ever leaves your browser.

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Why Privacy Matters for Passwords

Many online password generators send your generated password to their server "to verify its strength" or for tracking. This creates a massive security risk: if that server is compromised, your passwords are too.

ToolShelf's Generator uses the Web Crypto API (window.crypto.getRandomValues), which is a built-in browser feature for generating cryptographically secure random numbers. The entire process happens in your browser's memory and is destroyed as soon as you close the tab.

How it works:

  • Entropy Source: We use hardware-based entropy provided by your operating system via the browser.
  • True Privacy: No network requests are made during the generation process.
  • Customizable: Adjust length and character types to meet any website's requirements.