What notation is supported?

Standard dice notation: NdX (N dice with X sides), optional +M or -M modifier. Examples: 1d20, 3d6+2, 2d4-1.

Does my data leave my device?

No. All dice rolls happen in your browser with crypto.getRandomValues().

Yes — tap to roll, and shake to reroll on mobile devices that support the DeviceMotion API.

D&D記法（2d6・1d20・4d10+5）で任意のダイスを振れます。モバイルはシェイクで振り直し。

Total

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Type a dice expression like 2d6 (2 six-sided dice) or 4d10+5 (4 ten-sided dice plus 5).
Press Roll or hit Enter. Each die shows its individual result.
On mobile, shake your device to reroll the same expression.

What notation is supported?: Standard dice notation: NdX (N dice with X sides), optional +M or -M modifier. Examples: 1d20, 3d6+2, 2d4-1.
Does my data leave my device?: No. All dice rolls happen in your browser with crypto.getRandomValues().
Does it work on mobile?: Yes — tap to roll, and shake to reroll on mobile devices that support the DeviceMotion API.

Last updated: 2026-05-20 By jarvisbox