DPR Calculator

Do you need to know exactly how much damage you should really expect to do? Did you read my article on Damage Per Round and have terrifying flashbacks to learning algebra? Well, have I got the tool for you!

Encounter Builder

Build balanced encounters without doing a ton of math and referencing a bunch of tables. Includes tracking for daily XP budgets, which is a crucial and poorly-understood part of balancing encounters.


Build or modify monsters using the rules presented in the DMG. Start from a monster in the SRD or start from scratch.

Random Treasure Generator

Randomly generate treasure, including detailed magic items.

Other Tools

For more tools that aren’t specific to this ruleset, but which might still be useful in your game, see our General Tools.