Coin Flip Simulator
Flip a virtual coin one or multiple times and track heads-versus-tails counts and percentages for quick experiments or games.
Free Random Calculators
5 toolsRandom number, coin flip, dice roll, and password generators. Browse our free random tools below — no sign-up required.
Dice Roll Simulator
Roll virtual dice with 4, 6, 8, 10, 12, or 20 sides, combine multiple dice, and review totals, averages, and distributions.
Password Generator
Generate strong passwords with custom length and character sets, including uppercase, lowercase, numbers, and symbols.
Random Number Generator
Generate random numbers within a custom range, choose integers or decimals, and control count for testing, sampling, raffles, or classroom use.
UUID Generator (v4)
Generate random UUID v4 identifiers online. Create unique 128-bit identifiers for databases, APIs, and software development.