Free tools for game masters
Your GM screen,
in a browser tab.
Roll dice, run initiative, balance encounters and conjure loot and NPCs in seconds. No signup, no clutter, built for a phone at the table.
Dice rollerBuild a dice pool, roll with advantage, save your favourite attacks.Open →Initiative trackerTurn order, HP bars, conditions and a player-facing screen.Open →Encounter builderSearch 100+ monsters, see difficulty live, send the fight to initiative.Open →Loot generatorHoards with coins, gems, art and magic items, split for the party.Open →NPC generatorLock what you like, reroll the rest, save favourites for later.Open →Monster reference114 monsters with CR, XP, AC, HP and how many to throw at your party.Browse →
How many goblins is too many?
Every monster page answers it for your party's level, under both the 2024 and 2014 rules.
Guides
- Dice notation explainedWhat 2d6+3, 4d6 drop lowest and 2d20 keep highest actually mean, with examples from real play.
- How encounter difficulty works in fifth editionA plain-English walkthrough of XP budgets, thresholds and multipliers in the 2014 and 2024 rules, and when to ignore them.
- 9 ways to make combat run fasterPractical habits that cut combat time in half without losing the drama. Initiative, monster turns, and keeping players engaged.
- Your first session as a game master: a checklistEverything to prepare before running your first tabletop RPG session, from session zero to a backup plan when players go off script.