Randomify Tool
Roll a D20 — Online D20 Dice Roller
Roll a twenty-sided die online. The d20 is the iconic die of Dungeons & Dragons and other tabletop RPGs. Get instant, fair rolls with cryptographic randomness.
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Frequently Asked Questions
The d20 is the core die in Dungeons & Dragons and many tabletop RPGs. It's used for attack rolls, ability checks, saving throws, and most skill-based actions.
The mathematical average of a d20 is 10.5. Over many rolls, your results should cluster around this value.
Yes — we use the Web Crypto API for randomness, which is actually more uniform than most physical dice, which can have slight manufacturing imperfections.