Coin Flipper
Flip one coin or many. Counts heads vs tails over all flips. Useful for tie-breaking decisions, probability demonstrations, or just settling who pays.
Inputs
Up to 10,000 at once.
Result
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Heads count
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Tails count
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Heads percentage
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Sequence (last 50 if many)
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About Coin Flipper
Is it really 50/50?
Yes — each flip uses one cryptographically random bit (heads if it’s 1, tails if 0). A real physical coin is slightly biased toward the side facing up when flipped, but a fair digital coin avoids that.
Convergence
With small numbers of flips, percentages can be wild — 7 heads out of 10 is common. Around 100 flips you’ll usually be within ±10%. By 10,000 flips, you’re within fractions of a percent of 50% almost every time.
Use as decider
For binary choices, flip once. For unbiased decisions between A and B, agree on the mapping ahead of time. For more options, use the Random Choice Picker.