Coin Flip
Flip a virtual coin, heads or tails.
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Frequently asked questions
Yes. Each flip reads one value from your browser's crypto.getRandomValues and maps exactly half of the possible outcomes to heads and half to tails, so there is no bias toward either side. The flips are independent — a run of heads does not make tails more likely next.
No. The randomness and the tally are generated entirely in your browser. Nothing about your flips is uploaded or stored anywhere.
Yes. Set the number of coins (up to 100) and press the button to flip them all at once. The tool tallies how many came up heads versus tails, shows the most common side, and lists the full sequence.
A physical coin is convenient but not perfectly fair, and it is easy to miscount across many tosses. This tool gives a fast, unbiased flip, an exact running tally for heads and tails, and a record of every result — handy for decisions, games, or teaching probability.
Last updated 2026-06-23.