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Dice Roller — Polyhedral Dice (d4, d6, d8, d10, d12, d20, d100)

Roll virtual tabletop RPG dice with cryptographic randomness and modifiers.

Deterministic Math
Zero Data Collection
Client-Side Compute
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Dice Roll Settings

Dice

Cryptographic Uniform Randomness

Transparent mathematical methodology explained in plain English.

Roll = (cryptoRandomUInt % Sides) + 1 + Modifier

Generates unbiased uniform random integers using browser Web Crypto APIs.

Variables Explained:

  • Sides: Number of faces on each die (4, 6, 8, 10, 12, 20, 100).
Real Project Example

Rolling 3d6 + 2

Classic tabletop ability score roll.

Sample Project Inputs:
Dice: 3
Sides: 6
Modifier: +2
Step-by-Step Calculation:
  1. Roll 1: 4.
  2. Roll 2: 6.
  3. Roll 3: 3.
  4. Sum: 4 + 6 + 3 = 13.
  5. Add modifier +2: 13 + 2 = 15.
Calculated Answer: Result: 15 (rolls: 4, 6, 3; modifier: +2).
Verified Calculation Standards E-E-A-T Verified

Formulas calibrated against NIST Dimensional Standards & Peer-Reviewed Mathematical Formulas. Calculations are computed 100% client-side in your browser for absolute data privacy.

Knowledge Base

Frequently Asked Questions: Dice Roller

Click any question below to expand quick answers, formulas, and expert tips.

Are these dice rolls truly random?

Yes. Rolls are powered by hardware entropy using the Web Crypto API (crypto.getRandomValues), ensuring unbiased statistical distributions.