🔢 Number & Logic

Generate a random number between a minimum and maximum value instantly.

Make a quick decision with this binary oracle.

Flip a virtual coin and see if it lands on Heads or Tails.

Generate whole numbers without decimals within a specific range.

Generate random floating-point numbers with specific decimal places.

Generate a random percentage value from 1% to 100%.

Generate formatted lists for layout testing.

Generate unique random numbers perfect for raffles and draws.

Generate a list of prime numbers.

Generate the Fibonacci sequence up to a specific number of terms.

Roll various types of dice (D4, D6, D20, etc.) for RPG games like D&D.

Generate random numbers for popular lotteries like Mega-Sena, Powerball, and more.

Generate random colors in HEX, RGB, or HSL formats.

Calculate average, middle value, and most frequent number in a data set.

Calculate the standard deviation and variance of a data set.

Calculate the percentage change between an initial and final value.

Find out what X percent of Y is with this simple tool.

Break down any number into its prime factors.

Calculate the Greatest Common Divisor and Least Common Multiple of multiple numbers.

Calculate the factorial (n!) of a non-negative integer.

Convert regular numbers into scientific notation (e-notation).

Perform addition, subtraction, and multiplication on binary numbers.