Selection Vs Masks in GIMP

[Zbyma72age]

Interactive luminosity masks for GIMP 3

I’ve updated my luminosity masking plugin for GIMP 3. It’s a complete rewrite, and interactive. I approached the rewrite with simplicity, ease of use, and obviousness in mind. How it works: You choose from among 3 variations each of lights, midtones, or darks - you see a live preview as you choose. Then you fine tune the mask interactively with a live view, using a fine tuning dialog that applies levels as you wish. You can play around, reset, and restart the process. Finally it adds a luminosi…

Python plug-in for GIMP3: Parametric Luminance Mask

I realized that GIMP doesn’t really have a feature for creating parametric masks. So, I created a plugin for creating parametric luminance masks, similar to the one in darktable. Once you install this plugin, similar to the relative RGB color mask creation plugin, a menu called [Add luminance mask] will appear under [Layer] > [Mask] > [Parametric Mask] menu, and clicking it will launch the plugin. [vokoscreenNG-2025-08-23_23-37-58-0001] [Menu location] When you start the program, the follo…