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Entropy Generator.
Configuration
24 Chars
Initialize buffer to start
Frequently Asked Questions
Common questions about this tool and how it works.
Yes. We use the browser's `window.crypto.getRandomValues()` API, which generates cryptographically strong random values. This is far more secure than standard `Math.random()` functions.
No. The passwords are generated entirely on your device (client-side) using JavaScript. They are never sent to our servers, so there is zero risk of interception or logging.
Entropy is a measure of the unpredictability or randomness of a password, usually measured in bits. A higher entropy means the password is harder to crack by brute force. We recommend at least 70-80 bits for critical accounts.
Adding symbols and numbers increases the character set size, which exponentially increases the number of possible combinations. This makes the password significantly harder to guess without needing to make it excessively long.