3D Dice Roller & Coin Flip
Roll dice and flip a coin with secure randomness.
Dice Configuration
Enter a formula and roll
Roll Result
Your dice will appear here.
Coin Flipper
Flip a fair coin
Flip Result
Ready
History (Last 12)
No flips yet.
{
"dice": {
"formula": "1d6",
"lastRoll": {
"rolls": [],
"total": null
}
},
"coin": {
"history": [],
"heads": 0,
"tails": 0
}
}About this tool
Roll tabletop dice expressions or flip a coin with browser randomness. Free, private and browser-based. 3D Dice Roller & Coin Flip runs in the browser on DevTools. There is no signup, and your input stays on this device unless the tool explicitly performs a live network lookup.
What this tool does not do
- 3D Dice Roller & Coin Flip is a free in-browser utility, not a hosted API. It does not keep server-side history and is not a substitute for production verification in your own stack.
How do I use this tool?
How do I use 3D Dice Roller & Coin Flip?
Open 3D Dice Roller & Coin Flip, enter or paste your input, and copy the result. The page works without an account.
Related guides
Picking a Random Number (or a Raffle Winner) Without a Server
How a browser-only raffle picker avoids the classic mistakes — modulo bias, duplicate winners, predictable seeds — using the Web Crypto API.
Fair Random Picks With crypto.getRandomValues
Why Math.random() isn't the right primitive for a decision wheel, and what cryptographically strong randomness actually buys you for a fair pick.