Coin Flip & Dice Roller
Flip a virtual coin or roll one or more dice instantly — a quick, fair way to make a decision or play a game.
How to use the Coin Flip & Dice Roller
Click "Flip coin" for an instant heads-or-tails result. For dice, choose how many dice to roll and how many sides each die should have, then click "Roll dice" to see the result and total.
Common uses
This tool is handy for settling a quick decision, playing board games or tabletop RPGs that need dice, teaching probability concepts, or replacing a physical coin or dice set when you don't have one on hand.
Frequently asked questions
Is the coin flip and dice roll truly random?
Both use your browser's random number functions, giving each outcome an equal, unbiased chance — just like a fair physical coin or die.
Can I roll dice with more than 6 sides, like for tabletop games?
Yes. This tool supports common tabletop RPG dice types including d4, d6, d8, d10, d12, and d20.
Is my data stored anywhere?
No. This tool is part of the Toolyard collection of free, browser-based utilities. All results are generated locally in your browser — nothing is uploaded to or stored on a server.
True randomness versus "gut feeling" randomness
Humans are famously bad at generating or recognizing true randomness — when asked to fake a series of coin flips, most people avoid long streaks of the same result, even though real random sequences produce streaks fairly often (five heads in a row isn't unusual over enough flips). This tool uses your browser's random number generator, so results are statistically fair, unlike a "gut feeling" guess or a mental shortcut.
Where a digital coin flip or dice roll comes in handy
Settling a small disagreement, deciding who goes first in a board game, running a quick classroom probability demonstration, or simulating dice rolls for a tabletop RPG when the physical dice aren't handy are all common uses. It's also a simple, transparent way to make an unbiased decision when two options are otherwise equally good.
Frequently asked questions
Is this truly random?
It uses your browser's built-in random number generation, which is suitable for games, decisions, and casual use — though not intended for cryptographic or high-stakes gambling applications.
Can I roll more than one die at once?
Yes — select the number of dice you want to roll, and each one is generated independently.