Script: GIMP Colour to Alpha (Exact)

Description: Sets the alpha of any pixels matching a given colour to 0 (fully transparent). Pixels must be an exact match, unlike the standard color-to-alpha plug-in. Useful for removing backgrounds on simple images such as sprites, although the crude pixel-matching isn’t so great with more complex or anti-aliased images.

Source: GitHub
License: Public Domain (CC0 1.0)
How to use:  Save to your GIMP plugin folder e.g.”C:\Users\YourUserName\.gimp-2.8\plug-ins” on Windows. Access from Colors menu in GIMP.

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