// Generator
Random Fraction & Byte Generator
Generate random fractions, bytes, floats and percentages — all in your browser
by
CHUNKY
MUNSTER
MUNSTER
Random Fraction & Byte Generator: generate random fractions, individual bytes, floating-point numbers, and random percentages for your projects. This random value tool is designed for developers who need hex bytes for low-level testing or students looking for fractional math practice. All generation happens locally using standard entropy sources, providing quick results for batch data needs.
Tailor your results with specific constraints for each mode. In fraction mode, you can set a maximum denominator and choose to reduce results to their lowest terms using a GCD algorithm. Byte generation supports hexadecimal, decimal, and binary formats, making it a versatile tool for varied technical requirements. Whether you need a single random float or a hundred random percentages, this utility delivers clean, formatted output ready for use.
A fraction p/q where both numerator and denominator are chosen randomly within bounds. Enable "Reduce to lowest terms" to simplify using GCD (e.g. 4/8 → 1/2).
A random integer 0–255 (8 bits). Byte mode uses crypto.getRandomValues() — cryptographically secure randomness from your operating system's entropy source.
Byte mode uses crypto.getRandomValues() (CSPRNG). Fraction, float, and percentage modes use Math.random() — fine for testing but not for security-sensitive applications.
Streamline your data generation tasks with this fast and reliable browser-side utility. Explore more Generator tools at Chunky Munster and keep this Random Fraction & Byte Generator handy for your next coding session.