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Flip a coin, roll dice (d4–d20), or generate random numbers in your browser.
Coin Flip & Dice Roller lets you flip a virtual coin (heads or tails), roll any standard dice (d4 through d20), and generate random numbers between any range — all instantly in your browser.
A free, instant coin flip and dice roller. Flip coins, roll any dice type, and generate random numbers — all in your browser with history tracking.
Select Coin Flip, Dice Roll, or Random Number tab.
Click the action button to get your result.
Review your history and stats below.
Coin flips use Math.random() to produce a 50/50 probability outcome. Dice rolls generate a random integer between 1 and the die's face count (d4, d6, d8, d10, d12, d20) using the same method. All randomness is client-side.
Yes, it uses Math.random() for a 50/50 probability.
D4, D6, D8, D10, D12, and D20 are all supported.