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Decision Wheel
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Coin Flip, Decision Wheel & Dice Roller

Three ways to let chance make the call: flip a coin, spin a wheel loaded with your own custom options, or roll one or more dice. No sign-up, no ads blocking the tool itself — just pick a mode and go.

How it works

Every outcome — the coin face, the winning wheel segment, each die value — is generated with your browser's cryptographically secure random source (crypto.getRandomValues), using rejection sampling for the wheel and dice so every option or face has exactly the same chance of coming up. A plain modulo operation on a random number very slightly favors some outcomes over others; rejection sampling removes that bias entirely.

Worked example

Can't decide where to eat? Switch to the Decision Wheel tab, type Pizza, Sushi, Tacos, and Burgers on separate lines, and hit Spin — the wheel lands on one of the four with equal 25% odds each, and names the winner below.

Is the outcome really fair and unpredictable?
– Yes — every mode uses the same cryptographically secure random source used for things like generating passwords, not a weaker everyday random function, and unbiased rejection sampling so no option is ever more likely than another.
How many options can I put on the wheel?
– As many as you want, one per line — the wheel redraws itself with evenly sized slices no matter how many you add.
What dice can I roll?
– Between 1 and 6 dice at once, with 4, 6, 8, 10, 12, or 20 sides each, covering the common sets used in games.

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