Map Making Online
- good graphics
- online editor available
- editor not very intuitive, help guide (I never found out how to erase a wrongly drawn square)
- saves to the cloud
- GM Notes per room/section
- quite pricy
- print & export maps
Dave’s Mapper
https://davesmapper.com/
random dunegon generator that uses drawn tiles of many different styles provided by users
- mediocre graphics
- premade sections don’t allow individual dungeons
- exports to image
AnaMap
https://deepnight.net/tools/rpg-map/
RPG Map II is a “tabletop RPG” oriented map maker, created with the “keep it clean & simple” philosophy in mind..
- download or online
- snap-to-grid drawing (areas and single squares)
- many adaptions possible
- icons and text
- Hint: draw walls, then ground texture
- can’t paint thin walls, walls always fill a square
Dungeon Painter Online
http://pyromancers.com/dungeon-painter-online/
- requires Adobe Flash, I am too lazy to activate this obsolete software
Tiamat The Tile Mapper
http://www.rpgobjects.com/index.php?c=tiamat
- online tool
- uses a collection of premade tiles you can position on an empty grid
- not detailed/individual enough to create your own dungeons
Donjon
http://donjon.bin.sh/
both Dungeon map and general stuff generator (encounters, towns, calendars, NPC, traps, treasures…)
- random dungeon generator
- offers many pre-settings (dungeon size, style, etc.)
- creates old-style D&D dungeons
- also generates encounters, objects, positions for keys, traps, and more
- export as PNG (legend as HTML)
- playing with settings creates quite reasonable maps
- not suited for drawing own layouts
DunGen
https://dungen.app/dungen/
free and high resolution Dungeon Generator, creates maps at 70px per tile and under 5mb to import directly into Roll20.
- random dungeon generator
- only basic settings
- creates old-style D&D dungeons (not very realistic ones)
- no icons for doors, etc.
- export as JPG
- not suited for drawing own layouts
Mipui
https://www.mipui.net/app/
simple and fast grid-based mapper
- online grid editor
- allows thin walls
- lots of icons (but no locked door symbol?)
- autonumber rooms
- exports as JPG
- very easy to use, fast editing