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G'MIC : GREYC's Magic for Image Computing

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The G'MIC plug-in for GIMP proposes a set of various filters to apply on your images, including artistic effects, image denoising and enhancement algorithms, 3D renderers, etc.. It is a quite large plug-in, integrating a lot of different effects.

This plug-in is able to :

  • Propose an image preview window for each available filter.
  • Manage multi-layers inputs and outputs. G'MIC defines filters to compose layers or create animations from static images.
  • Update his list of filter definitions from the Internet, so it is able to improve itself over time.
  • Allow any user to add its own custom filters in it, written in the G'MIC language interpreted by the internal image processing engine.

G'MIC has been written by the author of GREYCstoration, a GIMP plug-in dedicated to image denoising and smoothing. All former GREYCstoration algorithms have been improved and integrated into G'MIC.

Latest version of G'MIC is numbered :

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A quite complete overview of available image effects can be seen on the official G'MIC plug-in page.

gmic4gimp_win32.zip1.42 MB
gmic4gimp_linux32.zip853.62 KB
gmic4gimp_linux64.zip797.15 KB
GIMP Version: 
Code License: 


Hi. I've released the version of the G'MIC plug-in for GIMP. I wrote a small text about the new features :

I'm a professional photographer and this new GMIC is invaluable and terrific. I've tried to contact the author but not sure if I have correct email addy - but the HSV Mixer is FANTASTIC as well! Thank you so much for this. One suggestion - is it possible to have the plugins submenus "closed" to each category upon program opening? I would prefer to not have to hit the "-" key to collapse them all. Other than that this is truly a WONDERFUL addition, and to me, indispensable. Best regards and thank you! / Paul

Hi Paul, I answered to your e-mail, thanks a lot for your enthusiasm :) I think that adding a "Expand all/Compress all" button could be a good idea, what do you think about that ? David.

The (final) version of the G'MIC plug-in for GIMP has been released today. The important changes are : - Type of input/output for the filters can now be set very precisely : Filter input can be set to 'none','active layer','active+below layers','active+above layers' or 'all layers'. Filter output can be set to 'replace', 'new layers' or 'new image'. - Preview window now handles multi-layers images. Alpha-channel is also better supported. - Lot of debugging have been done, to correct memory corruption problems due to drawables that are not valid anymore. - Lot of new filters have been added, particularly for layer operations (blending modes). Some filters have been also debugged or improved. - Some memory optimizations have been done. Do not hesitate to try this one, I think this is a good release ! David.

Hi everyone ! I've just released the version of the G'MIC plug-in for GIMP. There are a lot of changes, despite the minor version number. There are not much "cosmetic" changes, since I mainly worked on improving the internal G'MIC engine, and design some new filters for this version. I really hope this will be one of the last 'hard' update one has to perform, and that the next updates will be done through the "Update Filters" mechanism that is inside G'MIC (so without needing to update the plug-in binary executable). This plug-in is quite recent, so not everything is perfect yet ! But I guess it becomes usable and can be handy for some image manipulation. Hope you can test it and make some interesting remarks. By the way, I almost forgot the link : Hope you'll enjoy it ! David. PS : Here is the result of a new 'Perspective filter' added after someone asked for it on the G'MIC forum. Just to say that we try to take your messages into account :)

Hi. The version of the G'MIC plug-in for GIMP is available for Windows32, Linux32 and Linux64 platforms. There few GUI improvements as well as new filters. But basically, the main enhancements have been introduced directly in the G'MIC processing core itself. The G'MIC plug-in is now able to define image filters that get input from multiple layers. It naturally extends the possibilities of image processing a lot. There are already few filters that use this feature (auto-morphing, edge-composition, etc...), and we are planning to add more via the "Update filters" procedure that connects to the Internet to update the filter definitions. You are welcome to test this new version !


The version of the G'MIC toolbox is available. There are few bug corrections, as well as a compiled plug-in version for Mac OSX (Intel architectures). David.

Hi. I posted a new version of the plug-in (, with improved interface and resizable preview. Let me know if this is better to use. David.

That solved, now is much better to use. thank for this new plugin has some excellent FX included, and a lot of potential you did a amazing job

Hi. I tried to fix most of the filters for the RGBA problem. You need to update your filter list (press the Update Filters button). When an effect is not working for RGBA images, it first convert the image into RGB before being applied. David.


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