A repository of extensions for GIMP, the FREE and Open Source image manipulation program.

Light and shadow centroids

This Python plug-in helps in the comparison of the left part of an image to the right part (equilibrium or not). It can be applied to any type of image and computes the centroid of the gray image pixels. The centroid is similar to the centre of mass concept, where mass is replace by another quantity; here it is the lightness and the greyness of the pixel.

Black & White variations to layers

This script creates predefined black and white variations and saves them as layers. Users can choose which variations should be created.

For more sophisticated possibilities use the channel mixer or other tools. This script just uses typical black and white variations, to provide a quick overview - just switch the layers visibility afterwards.

Install to .gimp-2.6/scripts in your homedir as bwvariations.scm, then start GIMP or click Script-Fu->Script refresh, you'll find it then under Script-Fu->Misc->bwvariations

Narly Sprite

NOTE If you want to live on the bleeding edge of this plugin, I'm currently using github (https://github.com/narlynephi/narly_sprite) for my version control.

Narly Sprite is meant to help you create and edit sprite sheets. Pretty simple.

Narly Sprite requires Gimp 2.8+ because it uses group layers to organize the frames in the sprite.

Features include:

Quick sketch RGB

I modified the script quick-sketch.scm of tuxcomputers, so it does not transform the image into grayscale, but leave the image in RGB mode.

The location of the script is "Script Fu / Artistic / Quick Sketch RGB"


I made a CalendarGenerator plug-in.
1.Download "CalendarGenerator-ENG-32bit.zip" or "CalendarGenerator-ENG-64bit.zip" file.
2. Unzip this file.
3. Copy "CalendarGenerator.exe" file and "CalendarGenerator" directory into Gimp's plug-ins directory.
("C:\Program Files\GIMP 2\lib\gimp\2.0\plug-ins")
4. Open Gimp.
5. Plug-in is in Filters->Rendering->CalendarGenerator menu.

New anti-spam measures active

Dear Registry Users,

we have activated a few more anti-spam measures. In particular, plug-ins and scripts will now be checked more thoroughly for spammy content. This could of course lead to false positives, so please let us know if you see any issues!

We will also now automatically block accounts once we have seen a certain level of spam attempts. Thus, it is doubly important that you contact us if you think there is a false positive, don't just try over and over again, or you could be automatically blocked!

Color Reducer and Cartoonizer


This is my new plugin developed for two basic purposes. A) Color reduction. It will reduce number of colors in an image while trying to remain as close to original as possible. B) Generating lines to be used for cartoonization of images.

The plugin is not finished yet. I present it here to get some feedback. Though it works fine yet.

For introduction, examples and further information see wiki:

Batch Image Watermark Script

This post is a copy of my website post; Please see original blog post for any updates:

In short: This script allows you to add an image watermark to a directory of pictures!

Lets start (Linux users please adjust where necessary!)

Batch crop images... but keep centered

This is a small script for batch crop images and keep centered.

This is the script:

; 2012 Ivan Lantes Perez
; Script to crop images and keep centered

Golden-ratio circle effect

This plugin takes an existing image (i.e. a petal) and creates a new one by placing the original repetitively in the new one while rotating and scaling the successive copies (typically rotating the golden angle of 137.5° and scaling down just a little bit each step) resulting in beautiful forms that resemble the work of nature (i.e. a flower)

It can be also used to create animations of spiral falling objects, and other funny things.


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