Coin Flip
Flip a virtual coin — heads or tails.
?
Free to useNo software to install — works in any modern browser.
No signup neededOpen the tool and start straight away.
Runs in your browserNothing you enter is sent to a server.
Works on mobileSame tool on your phone, tablet or desktop.
How it works
- Enter — type or paste your values or text.
- Get the result — it is worked out in your browser.
- Adjust — change the inputs to compare, or copy the result.
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About Coin Flip
Flip a virtual coin for a quick, fair heads-or-tails decision. The flip happens in your browser, and each result is independent of the last.
Is it really 50/50?
Each flip has an equal chance of heads or tails. Over a handful of flips the results can look uneven — five heads in a row is not unusual at all — but over hundreds of flips the split settles close to half and half. A streak doesn't make the opposite result "due": the coin has no memory, so the next flip is still 50/50. Believing otherwise is known as the gambler's fallacy.
Good uses
Settling a choice between two equally good options, deciding who goes first in a game or match, picking a side for a debate, and classroom lessons on probability — flip 50 times, record the results and compare them with what probability predicts.
A decision trick
If you can't choose between two options, assign one to each side and flip. Notice how you feel about the result: if you are disappointed, you already knew what you wanted. The coin helps you find out.
When you need more than two outcomes
For choosing between several options, numbers or people, use the Random Number Generator with a range, or the Dice Roller for game-style results from 1 to 6.
Is it really 50/50?
Each flip has an equal chance of heads or tails. Over a handful of flips the results can look uneven — five heads in a row is not unusual at all — but over hundreds of flips the split settles close to half and half. A streak doesn't make the opposite result "due": the coin has no memory, so the next flip is still 50/50. Believing otherwise is known as the gambler's fallacy.
Good uses
Settling a choice between two equally good options, deciding who goes first in a game or match, picking a side for a debate, and classroom lessons on probability — flip 50 times, record the results and compare them with what probability predicts.
A decision trick
If you can't choose between two options, assign one to each side and flip. Notice how you feel about the result: if you are disappointed, you already knew what you wanted. The coin helps you find out.
When you need more than two outcomes
For choosing between several options, numbers or people, use the Random Number Generator with a range, or the Dice Roller for game-style results from 1 to 6.
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