Due to lines around the edges of some of the tiles on my map, I have determined that I need to add padding. I am using a premade tileset, so I only have the actual image of it. Some other topics have mentioned a python gimp script helping them, add padding to an image but all links to the download didn’t work. If any can help me, I will be very appreciative as I have struggled for quite a while getting this to work. Thanks in advance!
If it helps, this is the tileset I am using. 
Instead of adding space between tiles, could using nearest filter mode for your tile texture maybe solve your problem? How to do this depends on the engine you’re using.
I am using this for a Unity RPG I am making.
In Unity the texture filtering mode you would be looking for is called Point. 
It is a property of the texture that can be set in the inspector.
This combined with a tiny bit of photoshop (some tiles had weird borderings) got rid of the lines. They were driving me crazy. Thanks a lot!
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