Run your tabletop
campaign from one screen.
Dungeon Master Desk keeps your notes, NPCs, maps, encounters, world calendar, and rules reference in one place, saved to your account and available on every device you use.
Built for TTRPGS, with native support for D&D 5e & 5.5e (2024)
Free, runs in the browser, saves automatically. An account just means your work follows you between devices.
What's inside
I've collated and rebuilt every tool I've created, or use, into one place. All the systems connect, but it's built to work with just what you need as well. I hope you find some use, like I have, in being able to run my games from a single tab.
Notes, locations, and NPCs in freely nesting trees. Type [[Page Name]] to cross-link pages, and turn on Markdown for a rendered read view.
Initiative, hit points, and conditions round by round, with monster stat blocks expanding inline. Handles 2014 or 2024 surprise rules.
XP budgets from your party's levels, difficulty at a glance, and 327 SRD monsters plus your own. Save encounters and send them straight to the tracker.
Upload region maps and pin locations onto them, or paint dungeons on a grid with wandering monsters that patrol, hunt, flee, and guard.
Your own months, moons, and seasons, with weather and the in-game date always visible. A ten-minute dungeon-turn clock sits alongside.
Chart who married, murdered, and inherited on a pannable canvas, and keep your world's history in order on a timeline.
339 SRD spells, 661 priced items, the full SRD bestiary, and a searchable 5e rules quick-ref. Lookups without leaving the desk.
Your party's AC, passive perception, HP, and reminders in a tray on every screen, with a dice roller beside it.
Auto-save to your account on every change, full export and import, optional local version history, and a 30-day trash for anything you delete.
Send selected text, maps, handouts, and a player-safe initiative order to a live link. Players can open it on a TV or phone without an account.
A dice tray, name and loot generators, a dungeon-turn clock, global search, colour themes. There are more tabs and tools than fit on a card, and it's always expanding.
Initiative that keeps up with the table
Roll initiative, step hit points up and down without typing, and tag conditions as they land. Your party sits beside the order the whole time, so you're not hunting for someone's HP while five people wait.
A note first, a stat block when it needs one
Most NPCs are two sentences and a name. The ones that matter get attacks, spells, ability scores and a picture, and a button that drops them into the initiative order the moment things go badly.
Budgets, and a warning when the maths lies
Set your party size and level and get the XP budget for each difficulty. Build an encounter by hand or generate one, and it'll tell you when the action economy makes a "moderate" fight play a lot harder than the number suggests.
Your months, your moons, your weather
Name the months and seasons yourself, give the sky as many moons as you like, and roll weather a day or a week at a time. Dated events show up on the month they belong to.
Exactly what your players see
Push a map, a handout or the initiative order to a link your players open on a TV or a phone, no account needed. You choose how much the order gives away, and a live preview shows you their screen before they see it.
From sign-up to first session
Sign up with your email or a Google account. No credit card, no install, no setup.
Give it a name and you're in. A short tour walks through each feature the first time you start.
Your work saves automatically. Open Dungeon Master Desk on any device and the campaign is where you left it.
I hope you find it useful - and a disclaimer
It's all free and I've kept all ads and premium options out of the picture. There's no analytics or tracking bullshit. Your data is yours: private, deleted with your account, and you're welcome to export a full backup from Settings at any point. Here's the privacy policy, it's short.
If anything breaks, or you can think of a feature, please use the feedback button! It goes straight to me :). I've built the whole tool over months with help from Claude Code, a little sheepishly (as every software engineer is these days), just an FYI.
Thanks!
Oly.
Start your first campaign
It's free, and there's nothing to download.