This allows for a convenient workflow when already using gimp, instead of having to use an additional utility to convert to and from formats such as PNG. It can also be useful for tile extraction.
The plugin is open source, feedback and suggestions are welcome.
https://github.com/bbbbbr/gimp-rom-bin
Image size: ROMs and tile files that are not an even multiple of tile width will get padded with transparent pixels at the end of the image, and have any trailing data stored as gimp image metadata. The plugin will attempt to preserve original file size and integrity as much as possible. Setting transparent pixels (in tiles) at the end of the image to non-transparent will cause those tiles to get written to the file and therefore increase the file size. Be careful.
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