BrainCoder
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Coin Flip & Dice Roller

Flip coins, roll polyhedral dice

Free forever — no sign-up, nothing uploaded. Files never leave your device.

braincoder.app/use/coin-dice-roller

Coin Flip & Dice Roller

Flip coins, roll polyhedral dice

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document.pdf

1.2 MB

report.pdf

860 KB

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Free forever

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Local processing

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About this tool

Flip a coin (with tallies and ratios) or roll any die from d4 to d20, with totals and a classic emoji face display.

The BrainCoder Coin Flip & Dice Roller simulates fair coin flips and dice rolls using cryptographic randomness. Flip a virtual coin (heads or tails), roll a standard 6-sided die, or use polyhedral dice (d4, d8, d10, d12, d20) for tabletop gaming. Every outcome is generated with provably fair randomness.

This tool is ideal for tabletop RPGs (D&D, Pathfinder), board games, quick decisions, classroom activities, and any situation where you need a fair random outcome without physical dice. The visual animations make it fun and engaging, while the cryptographic backend ensures the results are as unbiased as rolling a physical die.

Keep a history of your rolls and flips within the session. The tool tracks every result so you can review past outcomes. All randomness is generated locally — no results are stored on any server. It's the most convenient and fairest way to make random decisions.

Key features

Everything you get with Coin Flip & Dice Roller — no premium upsell.

Fair coin flip (heads/tails)

Standard d6 dice roll

Polyhedral dice: d4, d8, d10, d12, d20

Visual flip and roll animations

Roll history tracking within session

Cryptographically secure randomness

How to use Coin Flip & Dice Roller

Follow the steps below to use the tool.

  1. 1

    Choose your randomizer

    Select a coin flip, standard d6 die, or polyhedral die (d4, d8, d10, d12, d20) depending on your needs.

  2. 2

    Click Flip or Roll

    Click the corresponding button to trigger the animation. The result will be displayed after the animation completes.

  3. 3

    Review the result

    The outcome is shown with the numerical value (for dice) or side name (for coins). The result is added to your roll history.

  4. 4

    Keep rolling

    Click again for another flip or roll. Your history is maintained throughout the session so you can track all outcomes.

Still free, still private — your files never leave your device.

Launch Coin Flip & Dice Roller

Frequently asked questions

Quick answers before you launch the tool.