$ run --tool
Strong Password Generator
Generate cryptographically random, strong passwords with full control over length and character sets.
Generated password
—
Strong
Features
- ✓Uses the browser's crypto.getRandomValues (not Math.random)
- ✓Adjustable length from 4 to 64 characters
- ✓Toggle uppercase, lowercase, numbers and symbols independently
- ✓Nothing is transmitted or stored — generated entirely on-device
How to use
- 1Choose your desired password length
- 2Toggle uppercase, numbers and symbols on or off
- 3Click generate, then copy the password
Frequently asked questions
Are these passwords stored anywhere?+
No. Generation happens locally in your browser using the Web Crypto API — nothing is sent to a server or logged.
How long should my password be?+
For most accounts, 16+ characters with mixed case, numbers and symbols is a solid baseline against brute-force attacks.
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