For technical reasons, you need to know the seed of your world to use Nether Fortress Finder, unless, of course, you want to find a seed for a new world. If you're playingSSP, the app is able to fetch the seed from your savegame. Alternatively, you can use the/seedcommand ingame...
My favorite texture pack for this is calledStrongestcraft. In particular, I use the one labeled “Strongestcraft F&MF” which stands for Fotress & Mycelium Finder. This texture pack makes Nether Brick a really bright green and Netherrack nearly invisible, which will make Nether Fortresses stand ...
Seedmapgenerators are invaluable tools for previewing the layout of worlds without having to generate them in-game. Tools likeMineAtlasandChunkbaseallow you to input a seed and see a map of the generated world, including biomes, structures, and sometimes even slime chunks and nether fortress locat...