What is heads or tails?

Heads or tails is the simplest oracle there is: flip a coin to decide between two options or to answer a yes-or-no question.

Since ancient times it has been used to leave a decision to chance when reason cannot quite settle on one side.

How does heads or tails work?

Think of your question, or assign one option to heads and the other to tails, and flip the virtual coin.

The result, heads or tails, gives you your answer instantly.

Frequently asked questions

When should I use it?
It is perfect for quick decisions between two options or when you want a straightforward yes-or-no answer.
Is the result really random?
Yes, every flip is random, just like flipping a real coin.
Is heads or tails free?
Yes, you can flip the coin as many times as you like, completely free.