Heads or tails online

Flip a coin.

Flip a fair virtual coin using secure browser randomness. Get heads or tails instantly and review recent flips.

Fair 50/50 choice

Ready to flip

Use Web Crypto to choose heads or tails.

How it works

How to use Coin Flip

The online coin flip uses the browser Web Crypto API rather than animation physics. Each flip independently selects Heads or Tails with equal probability.

Three simple steps

  1. Assign an option to Heads and another to Tails.
  2. Press Flip coin.
  3. Use the result or flip again for a new independent outcome.

A fresh 50/50 result

Every flip starts a new random selection; previous flips do not change the next probability.

Local session history

Recent flips stay on the current page so you can review them and clear them whenever you want.

Common questions

Is this coin flip random?

It uses cryptographically strong randomness supplied by the browser to choose between two equal outcomes.

Does a run of Heads make Tails more likely?

No. Each flip is independent, so both outcomes remain equally likely.