Generators
Coin Flip & Yes/No Decider
Flip a fair virtual coin or get a random Yes / No answer, with a running tally of every result.
About the Coin Flip & Yes/No Decider
Sometimes you just need a fair, quick decision, who goes first, which restaurant, whether to do it now or later. Flip an animated coin for Heads or Tails, or switch to Yes or No, and a tally bar and dot history keep track of every result until you reset it.
What you can do with the Coin Flip & Yes/No Decider
- Animated flip: A fair Heads or Tails.
- Yes or No mode: Switch to answer quick decisions.
- Tally bar: Keeps count of every result.
- Dot history: See the run of results until you reset.
How fair is it?
Every result comes from your browser's cryptographically secure random number generator, so each outcome is exactly 50/50. Past results don't affect the next one: after five heads in a row, the next flip is still 50/50. Expecting a change after a streak is known as the gambler's fallacy.
What the tally shows
Short runs of random results often look streaky, and that's normal. The more times you flip, the closer the bar gets to half and half, the dots let you watch that happen, flip by flip.
Are real coins fair?
Almost, but not perfectly. A large 2023 experiment with more than 350,000 hand-tossed coins found they landed on the same side they started on about 51% of the time. A digital coin has no such bias.
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Frequently Asked Questions
What's the difference between the two modes?
Only the wording: both use the same fair randomness. Use Heads or Tails for games and Yes or No when you want a direct answer.
Can I use this for official draws or prizes?
It's great for everyday decisions and games. For draws with legal or financial rules, use the method those rules require.
Does the tally save after I leave?
No. It resets when you switch modes, tap "Reset tally", or close the tool.
What are the chances of getting three heads in a row?
Each flip is 1 in 2, so three heads in a row is 1/2 × 1/2 × 1/2 = 1 in 8, or 12.5%. Streaks like this happen more often than people expect, and the next flip is still exactly 50/50.
If I flip 10 times, will I get exactly 5 heads?
Not usually. The chance of exactly 5 heads in 10 flips is about 24.6%, so roughly three times in four you get some other split. Over many more flips the tally bar settles closer to 50%, but short runs often look uneven.
After several tails, is heads due next?
No. Each flip is independent, so heads is still exactly 50% however many tails came before. Expecting a result to be due is called the gambler's fallacy. The streak note in the tool reminds you of this.
Can I use it for a cricket toss?
Yes, for a friendly or gully match. Let one captain call heads or tails before you tap Flip, then show the result on screen. For official matches, follow the rules of the tournament, which normally require a physical coin toss by the umpire or referee.
Is a real coin toss exactly 50/50?
Very nearly, but studies of real tosses suggest a coin lands on the side it started on slightly more often, around 51% of the time. A virtual flip has no starting side and uses a secure random generator, so both results are exactly equally likely.
How do I do best of three?
Tap Flip three times, or until one side has two wins, and read the result from the tally. Use Reset tally before you start so earlier flips don't mix in. The dot history shows the order of results if anyone disputes it.
Why did my tally disappear?
Switching between Heads or Tails and Yes or No starts a fresh tally, and so does tapping Reset tally. The tally also clears when you leave or reload the page. Stay in one mode if you want to keep counting.
How many results does the dot history show?
The dots show your most recent 40 flips, one dot for each result, in the order they happened. The tally bar above them still counts every flip since your last reset, with the number and percentage for each side.
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