Overview: Cryptographic Passwords with Live Entropy & Crack Meter

Generate unbreakable, cryptographically secure passwords using Web Crypto with real-time entropy calculation and crack time estimation. All computations and data processing are executed 100% locally on your device using client-side WebAssembly, HTML5 Canvas, and modern Web APIs without uploading files to any external server.

Supported Formats

Password Generator & Strength Meter supports the following file formats:

• Plaintext — client-side processing support.

How to Use Password Generator & Strength Meter in Browser

1. Set Length & Characters: Use the slider to choose length (6-64) and toggle letters, numbers, and symbols.
2. Check Entropy: View the real-time Shannon entropy rating and estimated crack duration.
3. Copy Password: Click Copy to save your generated password directly to clipboard.

Key Features & Privacy Protections

• 100% Client-Side Privacy: Zero cloud upload. Your documents, photos, and files never leave your local browser sandbox.
• Zero Installation: Runs instantly in Chrome, Safari, Firefox, Edge, Android, and iOS browsers.
• Free Forever: No sign-up, no subscriptions, no ads, and no file size limits.

Frequently Asked Questions (FAQ)