Flip a fair virtual coin — single flips or bulk runs with live tallies
Use our free online coin flip tool to instantly simulate heads or tails results with cryptographic fairness. Flip a single coin with a satisfying animation, or run bulk flips — up to 1,000 at once — and watch live tallies, percentages, and a full results log update in real time. Perfect for quick decisions, probability experiments, or games.
Yes. Each flip uses the browser's built-in crypto.getRandomValues API, which provides cryptographically secure randomness — far more reliable than Math.random() for fair results.
Absolutely. Enter any number from 1 to 1,000 in the "Number of flips" field and click Flip Coin. The tool will tally all results and show you the heads/tails breakdown instantly.
No — the tally accumulates across all flips in your session so you can track long-run results. Click the Reset button whenever you want to start fresh.
A fair coin has a 50% chance of landing heads and 50% tails on each flip. Over a large number of flips the law of large numbers pulls the ratio closer to 50/50, though short runs will show natural variation.