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Free Coin Flip & Dice Roller

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Coin Flip & Dice Roller

Flip a fair coin or roll standard polyhedral dice (d4, d6, d8, d10, d12, d20). View live roll history and probability statistics.

Click a button above to flip or roll

Cryptographically Secure Randomization

Unlike standard pseudorandom number generators (PRNGs), our Coin Flip and Dice Roller uses window.crypto.getRandomValues() to ensure high-entropy, unbiased randomness suitable for gaming, decision making, and tabletop RPGs.

Frequently Asked Questions

Is the coin flip 50/50 fair?
Yes, the coin flip uses cryptographically secure random bits to guarantee exact 50% probability for Heads and 50% for Tails over large sample sizes.

What dice types are supported?
We support standard tabletop RPG dice including d4 (tetrahedron), d6 (cube), d8 (octahedron), d10 (pentagonal trapezohedron), d12 (dodecahedron), and d20 (icosahedron).