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Roll virtual d4, d6, d8, d10, d12, d20, and d100 dice for RPG sessions, board game nights, classroom probability, and streaming play. Set batch size up to 50, apply modifiers, review individual results, then copy full roll breakdowns in one click.
Also try the Spin the Wheel, Random Number Generator, and more in Randomizer tools.
Last updated: May 24, 2026 · Published: 2026-04-07 · Updated: 2026-05-24
Roll notation preview: 1d20+0
Choose dice settings and roll.
Configure options and roll the dice
A random dice roller simulates polyhedral dice so players, GMs, teachers, and streamers can resolve numeric outcomes without a physical dice bag. It is built for fair rolls and quick totals—not as a full virtual tabletop, map tool, or campaign tracker.
This Muxgen tool runs in your browser: pick Dice type (default d20), set dice-count (default 1), enter Modifier (default 0), roll, and copy. rollDiceSet uses Math.random client-side; no account and no server upload for your rolls.
Three simple steps from die selection to copy-ready roll logs.
Pick from 7 fieldset buttons (d4–d100). Default d20 for D&D-style checks.
Enter dice-count (default 1, max 50) and Modifier (-100 to 100). Watch Roll notation preview update live.
Click Roll, review the individual die grid and totals, then Copy to clipboard for session logs or chat.
Every control in the random dice roller component.
7 toggle buttons — default d20. Sets DieSides state; status Die type updated. Roll to refresh results.
Number input min 1 max 50. Default 1. Clamps on change; status reports Max is 50 dice per roll. or Minimum is 1 die.
Number input -100–100. Default 0. Clamps on change; feeds formatModifierLabel in notation and getFinalTotal for final score.
Static text from formatRollNotation — default 1d20+0. Reflects current count, sides, and modifier before you roll.
Polite region reporting die type updates, count/modifier clamps, and post-roll status from rollDiceSet.
Primary button Roll {count}d{sides} — calls rollDiceSet, fills result grid, updates totals, clears copied state.
Emerald cards listing each value in result.rolls. Responsive 2–3 column grid under Roll results heading.
Summary panel — base total from result.sum, modifier from input, final total from getFinalTotal(result, modifier).
Ghost button — multi-line export via formatRollCopy; Copied! feedback for two seconds when result exists.
Sides, shape, and typical use from DICE_SIDES_ORDER and DICE_TYPE_LABELS.
| Sides | Shape | Typical use |
|---|---|---|
| d4 | tetrahedron | Light damage, direction, mini events |
| d6 | standard cube | Classic board games, many RPG checks |
| d8 | octahedron | Weapon damage, medium outcomes |
| d10 | pentagonal trapezohedron | Percentile tens, some RPG systems |
| d12 | dodecahedron | Heavy damage, larger swings |
| d20 | icosahedron | D&D-style ability checks and attacks |
| d100 | percentile | Percentile rolls and probability tables |
How dice-count, Modifier, and Die type choices affect your table workflow.
dice-count 1 — one roll per click. Ideal for d20 skill checks, saving throws, and simple board game moves.
Roll 2–50 matching dice for damage pools, advantage-style batches, and statistics demos. rollDiceSet loops rollDie for each die.
Add bonuses up to +100 — proficiency, magic items, or temporary buffs appear as +N in notation via formatModifierLabel.
Penalties down to -100 — injuries, debuffs, and difficulty adjustments subtract from base total in getFinalTotal.
Default 0 — notation shows d20 without a trailing +0; final total equals base total.
Percentile rolls and probability tables — pick d100 from Dice type when systems need 1–100 outcomes or lookup tables.
Classic board games, many RPG checks — board game nights and Yahtzee-style exercises without physical cubes.
D&D-style ability checks and attacks — default die for initiative, attacks, and ability checks in many RPG sessions.
Where copied roll logs land and which Muxgen pages complement this one.
Paste formatRollCopy output into session logs so GMs and players audit rolls transparently.
Archive roll breakdowns in campaign notes, encounter prep, and probability lab write-ups.
Share screen while rolling d6 or d20 batches to teach expected value and distribution.
Display individual die cards on stream for visible, trustworthy random outcomes.
Random Number Generator outputs flat integers—this tool models polyhedral dice with notation and per-die faces.
Spin the Wheel picks labeled segments—use dice for numeric outcomes and the wheel for categories or turn order.
Built for tabletop and classroom workflows—notation preview, per-die grid, and copy-ready export.
Results appear immediately—no accounts, queues, or server round-trips.
d4, d6, d8, d10, d12, d20, d100—switch Dice type without leaving the page.
Roll up to 50 dice in one click for damage pools and classroom experiments.
Apply bonuses or penalties from -100 to 100 with live notation preview.
See every individual outcome plus base total, modifier, and final total in one panel.
Copy to clipboard via formatRollCopy — e.g. "Roll: 3d20+5…".
Rolling runs in the browser—settings and results are not uploaded to Muxgen.
Virtual dice support RPG play, education, and group game nights.
Roll d20 checks, d8 damage, and d100 percentile tables during D&D and other systems.
Replace missing dice or run remote game nights with shared virtual rolls.
Demonstrate random outcomes, sample means, and distribution with repeatable dice batches.
Test mechanics quickly by swapping die types and modifier ranges.
Show transparent rolls on camera with individual die cards and copyable logs.
Practice sums, averages, and expected value using configurable dice pools.
When groups search for dice rolling throughout the year.
Keep d6 and d20 presets ready for board games and one-shot RPGs—copy rolls into the party chat for fairness.
Default d20 with modifier fields matches initiative and attack workflows; pair with the D&D Character Generator for full tables.
Teachers roll d6 batches in class to compare experimental frequency with theoretical 1-in-6 odds.
Use d100 for loot tables and Random Team Generator for brackets during family or club events.
Run dice-driven storytelling games outdoors when physical dice are easy to lose.
Quick d4–d12 rolls help exhibitors explain new tabletop mechanics without hauling dice towers.
Terms tied to roll logic, notation export, and batch caps.
4 | 6 | 8 | 10 | 12 | 20 | 100 — sides value selected in the Dice type fieldset.
Clamps count (50 max) and modifier (-100–100), rolls each die, returns { result: { rolls, sum }, status }.
Math.floor(Math.random() * sides) + 1 — uniform face from 1 through sides.
Builds NdS±M strings — e.g. formatRollNotation(2, 20, 3) => "2d20+3".
Multi-line export — e.g. "Roll: 2d20+3\nIndividual: 14, 7\nBase total: 21\nModifier: 3\nFinal total: 24".
result.sum + modifier — displayed as Final total in the summary panel.
Renders +N or -N — formatModifierLabel(5) => "+5", formatModifierLabel(-2) => "-2".
A roller can resolve the numbers; your table rules carry the outcome forward.
Read Roll notation preview so count, die type, and modifier match the rule you intend to resolve.
Paste formatRollCopy output into logs before changing settings or refreshing the page.
Use d20 for checks, d8 for medium damage, d100 for percentile tables—see the reference table below.
Watch aria-live when pushing past 50 dice or ±100 modifier—values auto-clamp to valid ranges.
Roll once per rule resolution rather than reusing stale grids when modifiers or die types change mid-turn.
Note whether modifiers stack with base total so copied logs stay interpretable for your table.
Habits that pair with Roll and Copy to clipboard.
Out of the box: 1d20+0 — switch to d6 for classic board games or d100 for percentile charts.
Sample rolls like 12, 6, 1 — watch base total 19 update in the grid.
Shapes and uses from DICE_TYPE_LABELS — e.g. d20 — icosahedron for attack rolls.
Set +2 or +5 in Modifier; notation shows 1d20+5 instantly without rolling.
Export matches sampleRollSummary format — Roll, Individual, Base total, Modifier, Final total lines.
Roll d6 to pick teams from Random Team Generator, then d20 to choose Random Trivia Generator categories.
7 die types d4–d100, dice-count 1–50, modifier -100 to 100, Roll notation preview, aria-live status, individual results grid, base and final totals, formatRollCopy export, privacy, and defaults.
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Build character concepts to pair with d20 ability checks and attack rolls from this roller.
Create NPC and protagonist ideas before rolling stats and outcomes at the table.
Split players into teams before dice-driven mini-games and tournament rounds.
Add quiz questions to game nights—use dice rolls to pick categories or difficulty.