Flip a Coin Online

Flip a Coin Online is a free coin-flip simulator from FlipTheCoin.app. It produces instant heads-or-tails results and is described as a game, with the site also framing it as a substitute for a physical coin flip.

The service presents its coin toss as a 3D simulation built on real physics. A coin is launched with randomized force and spin, then falls under gravity until it settles on heads or tails. The page says the simulation combines real 3D physics with a seeded random number generator so that each flip is non-deterministic and difficult to tamper with. It also states that the tool can be used to settle a bet, make a quick decision, pick sides before a game, or run a classroom exercise.

FlipTheCoin.app is accessible in a browser and says no app is needed. The site also provides a browser extension, with install links for Chrome and Firefox, so a coin can be flipped privately from any tab. Alongside the game, the site includes a blog with articles on probability, statistics, and related topics, including an interactive Galton board in one article.

The service is described as completely free, with no account required, no ads, and no tracking. The page also mentions a newsletter for updates and resources. The footer identifies Flip The Coin App and includes links such as About us, Projects, Play, Blog, Glossary, Browser extension, Legal, Privacy Policy, and Terms of Service.