Free GIMP Luminosity Mask plugin

Luminosity mask is sweet method for tuning images and more information below the hood can be found for example here and with Google.

Workflow requires quite many mouse clicks and after few images I decided to write Python script for it as a hobby. Tested on Win10_64bit and with Gimp 2.8 & 2.10. However, no guarantees are given anyway and use it with your own risk.

Installation instructions

1. Download plugin file from here
2. Close GIMP 
3. Move downloaded create_luminosity_masks.py file into path C:\Users\<your_user_name>\AppData\Roaming\GIMP\2.10\plug-ins 
4. Done 

Usage

1. Start GIMP
2. Open desired image
3. Select (or make active) the image from layers-brushes window 
4. Browse into Colors>Auto>Luminosity masks... 
5. Briefly one should find created masks in layers-brushes window 
6. Enjoy 

Few words about the licence
You can freely utilize the plugin in your non-commercial and commercial image editing tasks.
You can freely copy, share and distribute the plugin.
You cannot modify or use the parts of the plugin source code in your own projects or benefit commercially in anyway from it without Sumppihuuhkaja's permission.

Acknowledgement makes Sumppihuuhkaja happy!