Coin Flipper Online — Flip One or a Thousand Coins — Free
Runs 100% in your browser — your files never leave your device.
Settle the argument, decide who goes first, or watch probability converge with a properly fair coin. Flip once for a heads-or-tails call, or flip up to a thousand at once and watch the running counts even out — the law of large numbers at work. Consecutive streaks are tracked too.
How it works
- 1
Choose how many coins
One coin for a call, or up to a thousand for a statistics demonstration.
- 2
Flip
Each flip appends to the running record — nothing is reset between flips.
- 3
Read the counts
Heads and tails totals, the current streak, and the full flip history.
About this tool
A fair coin, every time
The flipper produces heads or tails with uniform 50/50 randomness computed in your browser — no physical coin, no spin bias, no edge cases. Flip once for a decision, or flip in batches and read the tally.
Beyond yes-or-no
Settle deadlocks where both options are genuinely equal, break ties in games, run probability demonstrations (flip 100 times and watch the split approach half), and make the small decisions where deliberation costs more than the choice is worth.
Flip history
Recent flips display with a running tally, so you can verify the fairness yourself — over enough flips, the split converges toward even, which is the definition of a fair coin.
Frequently asked questions
Is the coin fair?
Yes — heads and tails are drawn with uniform 50/50 randomness from your browser's generator. Physical coins have measurable biases; this one does not.
Can I flip multiple coins at once?
Flip repeatedly and the tally tracks the sequence — or use the random number generator for bulk draws.
Does the flip remember previous results?
Only for the tally display — each flip is independent and unaffected by history, exactly like a real coin.