I have a lot of sprite images that contain dozens of icons. Is there an easy way to unravel the sprites into separate image files either automatically or feeding it coordinates, widths and heights?
This program is pretty good at decomposing sprites into individual frames
https://github.com/ForkandBeard/Alferd-Spritesheet-Unpacker
it supports all standard bitmap formats, .png, .bmp, .gif, .tiff and does everything pretty much automatically.