D&D session with no dice
Before
Forgot physical dice at home
After
Rolled d20 for ability checks all session
Worked seamlessly. The results felt genuinely random.
All Tools
Dice Roller & Coin Flip – Virtual Dice and Toss
I built this for a tabletop RPG session where we realized nobody had brought physical dice. It rolls all the standard dice — d4 through d20 — plus coin flips. Uses the browser's crypto API for genuinely random results.
100% free, no signup
Custom dice (d2–d100) + roll history export
Your files are processed in your browser and never uploaded to any server.
A note from me
For tabletop RPGs, the d20 is the most-used die. One tip: if you're rolling for advantage (roll twice, take the higher), it's faster to roll 2d20 at once and pick the higher number yourself. Also, for anything where the stakes are high — like a D&D death save — I'd still use physical dice if available. Virtual dice are unbiased, but there's something satisfying about the physical roll.
— Mirza Noman Baig
How to use this tool
- 1Pick dice or coin flip mode.
- 2Choose the die type and quantity.
- 3Click Roll or Flip.
- 4Use the result.
Real results from testing
These are actual measurements from using this tool, not estimates.
Classroom probability demo
Before
Needed to show 100 coin flips to a class
After
Ran flips quickly for a live demonstration
Students could see the results trending toward 50/50 as the sample grew.
Making a decision with friends
Before
Couldn't agree on where to eat
After
Coin flip settled it in 2 seconds
Simple, fair, done. No more debate.
Dice Roller & Coin Flip features
All standard dice
d4 through d20 — the full tabletop RPG set.
Multiple dice at once
Roll any quantity and see the individual results plus the total.
Coin flip
Heads or tails, instant and fair.
Cryptographically random
Not Math.random — the browser's secure random source.
Frequently asked questions
Are the dice rolls truly random?+
Yes. They use the browser's crypto.getRandomValues, which is the same source used for security-critical random numbers.
Can I roll multiple dice at once?+
Yes. Roll any number of dice simultaneously and see the total.
What dice types are supported?+
d4, d6, d8, d10, d12, and d20 — the standard tabletop RPG dice set.
Does it work for board games?+
Yes. Works anywhere you'd use physical dice.
Is the coin flip fair?+
Yes. 50/50, using the same cryptographically random source.