Tools
Random & Fun
Coin Flip
Flip a coin — best of 1, 3, 5, 7, 9, or 11.
vs
Best of
HEADS
How it works
Each flip uses crypto.getRandomValues() — cryptographically secure randomness built into your browser, not a predictable algorithm.
50%
Option 1
50%
Option 2
Best of N reduces the impact of a single lucky flip — the winner must win more than half the rounds.
How it works▾
Each flip uses crypto.getRandomValues() — cryptographically secure randomness built into your browser, not a predictable algorithm.
50%
Option 1
50%
Option 2
Best of N reduces the impact of a single lucky flip — the winner must win more than half the rounds.