Generate random numbers and random strings with customizable character sets
Yes, PivaBox Random Generator is completely free to use. All generation is done in your browser.
No. All random generation is done locally using cryptographically secure random APIs. Your data never leaves your device.
The tool uses crypto.getRandomValues() for number generation, which provides cryptographically strong randomness suitable for security applications. For strings, it uses the same secure random source with user-selected character sets including uppercase letters, lowercase letters, digits, and special symbols.