FunRandomizer.All 25 tools

Free online coin flipper

Coin Flip — Heads or Tails

Flip a coin online for an instant heads-or-tails result. Use one flip for a quick decision, or run 3, 10, or 100 flips and follow the totals, streaks, and recent history.

Free to use · No sign-up · Runs in your browser

How to Flip a Coin Online

  1. 01

    Choose the two sides

    Keep Heads and Tails, pick Yes or No, or type two custom labels for the choice you want to make.

  2. 02

    Select the number of flips

    Flip once for a quick tie-breaker, or choose 3, 10, or 100 flips for a best-of round or probability activity.

  3. 03

    Flip the coin

    Click the coin, use the Flip coin button, or press the Space bar. The result is chosen before the animation finishes.

  4. 04

    Review the results

    See totals for both sides, the current streak, and the 12 most recent outcomes. Copy, share, or reset when you are done.

Fair Odds and Independent Results

Each digital flip assigns equal probability to Heads and Tails. When supported, FunRandomizer uses the cryptographically secure random generator built into your browser. The animation only reveals the result.

Short streaks and uneven batches are normal because each new flip is independent.

Ways to Use the Coin Flip

Yes / No

Make a low-stakes call

Option A / B

Break a two-way tie

Best of 3

Settle a friendly challenge

10 or 100 flips

Run a probability demo

Coin Flip FAQ

How do I flip a coin online?

Click the coin or the Flip coin button. You can also press the Space bar when you are not typing in a field. The result appears after the short animation.

Is this online coin flip random and fair?

When supported, each flip uses crypto.getRandomValues, the cryptographically secure random generator built into your browser. Heads and Tails are assigned equal probability and every new flip is independent.

Can I flip more than one coin?

Yes. Choose 3, 10, or 100 flips. The batch result summarizes both sides and adds every outcome to the current session statistics.

Can I change Heads and Tails?

Yes. Choose a preset such as Yes / No, Do it / Don’t, or Option A / B, or type your own label for each side.

Why can I get several Heads or Tails in a row?

Random does not mean alternating. Because each flip is independent, short streaks and uneven batches are normal even though each individual digital outcome has an equal chance.

Are my coin flip results saved?

No account or server-side history is used by this tool. Results stay on the page for the current browser session, and Reset clears the visible totals and history.

Can I use this for a best-of-three decision?

Yes. Select 3 flips and use the side that appears most often. You can also choose 10 or 100 flips for larger informal experiments.

Should I use a coin flip for an important decision?

Use a coin flip only when either result is safe and acceptable. For financial, medical, legal, safety, or other high-stakes choices, compare the consequences instead of leaving the decision to chance.

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