DiceSimulator.com provides random dice rolls, dice game information, and a history of dice.
dice.run
dice.run rolls tabletop RPG dice from standard notation, keeps saved history, and analyzes probability distributions.
About dice.run
dice.run is a web-based tool for tabletop RPGs and game design that rolls dice using standard notation. It keeps a saved history of all rolls with full audit trails, and calculates exact probability distributions for any dice expression you enter. The platform also includes pre-made community packs for popular systems like D&D 5e (2024), with grouped examples for common use cases such as attack rolls, damage calculations, and saving throws.
In addition to standard rolling, dice.run offers a Studio feature that lets users author custom dice programs, with live probability distributions updating in real time as you build. The site also has an Explore section for discovering community-created rolls and packs, plus full documentation for the dice expression grammar. It is designed for tabletop RPG players, game masters, and game designers who need reliable dice rolling, roll tracking, or odds calculation for game mechanics.
Key features
- Parses standard tabletop RPG dice notation
- Saves full roll audit trails and history
- Shows real-time probability distributions for dice expressions
- Provides pre-made community packs for D&D 5e and other systems
- Includes a Studio for custom dice programs with live odds
Best for: It is best suited for tabletop RPG players, game masters, and game designers who need to roll dice, track roll history, or calculate odds for game mechanics.
Good for
- Supports standard tabletop RPG dice notation
- Provides real-time probability analysis for dice rolls
- Offers pre-made community packs for popular game systems
- Includes a custom Studio for building dice programs with live odds
Watch out for
- Only available as a web app, no native mobile or desktop versions
- Not open source, so users cannot modify or self-host it
dice.run at a glance
- Website
- dice.run
- Category
- Gaming › Game Guides, Wikis & Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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dice.run FAQ
What dice notation does dice.run support?
dice.run parses standard tabletop RPG dice notation for rolling and probability analysis.
Can I save my roll history on dice.run?
Yes, the site keeps a full saved audit trail of all your rolls.
Does dice.run have pre-made rolls for D&D 5e?
Yes, it offers a community-made D&D 5e (2024) pack with common roll examples.
Can I create custom dice programs on dice.run?
Yes, the Studio feature lets you author custom dice programs with live probability distributions.
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