Questions about GIMP, the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. Ask scripting questions on Stack Overflow, software support questions on Super User, and anything related to design here ...

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3answers
5k views

Resizing a large number of Images with Gimp or IrfanView

I have about 300 pictures. They were taken of the restoration of the place where I work. Now we have an opening night with some people. The pictures are sometimes portrait and sometimes landscape, ...
2
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3answers
8k views

Optimizing a screenshot for adding in a document and printing

This question is not directly related to graphic design, but I think you guys can help. I am writing a thesis and I need to add several screenshots of the tools I have used and screenshots of web ...
2
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1answer
2k views

How do I wrap text around a ball in Gimp?

I have a picture of a ball which is rounded as usually balls are, and I'd like to create quickly some text and place it on the ball. The result should create a feeling that there is really a label on ...
2
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1answer
41 views

Can I colorize transparent areas, and make colored areas transparent, in Gimp 2?

I created a shape on a transparent background, but I actually want the shape to be transparent and the background to be a solid color. Can this be done? I don't want to just Select By Color, because ...
2
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1answer
131 views

Gimp - jagged pencil and brush strokes [SOLVED]

I am using Gimp 2.8.14 on Ubuntu 14.04 and a Wacom tablet (Intuos 3 6x8). My problem is that I cannot make a smooth stroke even when I check the Smooth stroke in the Tool Options panel. When I do ...
2
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1answer
43 views

Using GIMP, is there a way to fill an image that has transparency?

For a given shape, I would like to fill it with the line color. However, using the fill bucket, the transparency on the inside of the image is still visible. Double clicking with the fill bucket ...
2
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2answers
143 views

Animation over a static jpeg picture

I have a (simple) animation gif file (produced using gimp) and a static jpeg picture. I would like to put the animation gif file into the jpeg picture. How can I achieve that without losing the ...
2
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1answer
158 views

Preserve text layers when exporting to PSD in GIMP?

I have a bunch of old xcf files on my computer I'd really like to export to PSD after moving my workstation over to all Adobe products. However, I'm noticing that when I export my xcf files to PSD, ...
2
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3answers
112 views

How to make a transparent picture a non transparent *GIMP*

A friend of mine sent me an image that is almost completely transparent as a sort of encrypted code type of thing, the only way I can see it is if I go into the default paint program and use the ...
2
votes
1answer
41 views

Basics of macro implementation - missing components

I am going through GIMP manual and stuck for my shame at the beginning. How do I call that autoCommander? Is it example for the final result? And assume I wrote that pseudo code into ...
2
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2answers
151 views

gimp: pdf export introduces artifacts on edges where there is no background

This is a followup question to gimp: Background removal gives gray fringe, when exported as pdf: To reproduce the problem you have to follow these five steps: In gimp create a New File with ...
2
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2answers
289 views

Can I change the default Gimp transparent background to white?

I'm using Gimp 2. The default grid-style transparent background makes it incredibly difficult to get a sense of what the image will actually look like, when I finally display it over a background. Is ...
2
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1answer
179 views

Make a particular colour less bright

I'm trying to create a reference image for a greyscale drawing. In the original reference photo, the subject is wearing a brown jacket and grey pants which have pretty much the same brightness, and ...
2
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1answer
270 views

GIMP opens JPG file with different colors

I have a JPG file (produced in Illustrator, from the EXIF tag) which, when opened with GIMP, displays the colors differently from any other program I have (e.g. Firefox, eog, gThumb, etc.). Here's ...
2
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1answer
1k views

Gimp - How to loop a gif seamlessly?

So I'm new at editing and I'm trying to insert gifs but somehow it always ends up with a gap after the gif ends and looks weird, I have no idea how can I change that :/ can anyone help me please?
2
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1answer
1k views

Using GIMP to extract a background from a set of pictures

I've got a set of pictures of a group of people that were taken on a tripod. Some of the people moved between pictures, and I want to extract a common background so I can combine the backgrounds to ...
2
votes
2answers
489 views

How do I create an 8 x 8 square brush in GIMP?

How do I create an 8x8 square brush, with no smoothing in GIMP? Do I actually have to create a custom brush? You'd think that the pencil brush would work but the size seemingly doesn't line up with ...
2
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1answer
2k views

Gimp smooth edges coloring

I have a PNG image with transparency. It is an icon of single color and I want to change its color. What I have done so far is, Select the area I want, either by Fuzzy select or the color select ...
2
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2answers
877 views

How to prevent font blurring when scaling an image down

I'm creating a logo for a Youtube channel and it's a text logo. Youtube suggests you upload the logo at 800x800, so that's what I've been designing at in GIMP and it looks fine: However, the actual ...
2
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1answer
851 views

How can I prevent Gimp from automatically changing colors of a .png?

So I am editing a .png file from a website that I am working on. I downloaded the image (.png) and it has a yellow/green color in one of the objects. This color is important because it matches with ...
2
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1answer
126 views

Can you view the layer mask in GIMP?

In GIMP, after adding a layer mask, and editing, is there a way (or even a plugin) to let you view the layer mask right on the canvas? I know that you can see a miniature copy of the layer mask in ...
2
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1answer
1k views

How do you change the default font of GIMP in Windows?

How do you change the default font used in GIMP 2.8 on Windows 7? The default font seems to be Sans Bold (which is used in a lot of applications that originated from Linux). I am not referring to the ...
2
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1answer
142 views

how can I collaborate using GIMP2?

most of the collab tools for drawing that I've seen so far cost too much, and lack features. GIMP does everything that I want, but unfortunately I don't know of a way to draw with 2 or more people ...
2
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1answer
90 views

Command line program for adding curves/levels to an image?

I have several JPG files (satellite images) that I need to have curves or levels (not auto!) added to them using shell scripting (cronjobs). Does anyone know of any tool for that? Maybe GIMP?
2
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1answer
287 views

GIMP: How to transform one color component to alpha, keeping the others?

I don't know if the question's wording is correct. Basically, I have something like this: As you can see, blue is fading into white. The blue and white are both merged in one layer. I want to take ...
2
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1answer
97 views

GIMP: Using Channels Independently

I need to use GIMP instead of Photoshop, but I have a problem doing some things with transparency: I explain: I manipulate some tga files that have 4 channels, rgb and alpha. Using Photoshop I'm ...
2
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1answer
644 views

How to create a realistic wooden photoframe from images of blocks of the frame?

I want to create wooden rectangular photo frames of custom size for using it in an e-commerce project where we will be selling photos with wooden and plastic frames. But I don't have images of the ...
2
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1answer
128 views

Forcing transparency on layers below

I am pretty new at Gimp, so not sure if this is possible at all. Let's say I have two lines like this, and I give the impression one line is on top of the other by clipping at the intersection, like ...
2
votes
1answer
670 views

Gimp: Change coordinate system (where 0,0 is)

I use gimp for manipulating images for my software projects. I am used to working in a coordinate system where 0,0 is at the bottom left of the screen. Gimp uses 0,0 as the top left; Is there a ...
2
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1answer
552 views

Changing text with drop shadow over a radial gradient in GIMP

I want to change the text in the image below without modifying the background. I tried cutting the text and filling the gap with a new one, but it doesn't look nice. Is there a simpler way?
2
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1answer
5k views

Affect mutliple layers in gimp

Is it possible to apply things like brightness/contrast or hue saturation, or even filters to more than one layer at a time in gimp.
2
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3answers
109 views

gimp: Background removal gives gray fringe, when exported as pdf

I cut a region out of this wikimedia commons picture: I simply used the free select tool to cut out the part (ctrl+x) and inserted it into another image without background. However, when I export ...
2
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3answers
210 views

Why can I create layers, but not layer groups in the indexed color mode in gimp?

I'm making some pixel art in gimp and I so I figured I should use the indexed color mode since I won't be using very many colors. About halfway through my project I realized that I wanted to be able ...
2
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1answer
484 views

How to draw MS Paint like (aliased), 1px circle in GIMP

I was trying to draw some pixel are amd first thing is to try a circle via stroke path with miter set to 0, anti-alias off, 1 px line. Here is what I get in Gimp. Part of the circle are ok, others are ...
2
votes
3answers
142 views

Gimp: quick way to cycle through pencil/brush presets?

I have created 6 different pencil pre-sets with different diameters. What I want is to be able to cycle up and down from one pre-set to the next, preferably with a keyboard shortcut. How do I set this ...
2
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1answer
6k views

How to fade two images together in Gimp

I have two pictures of irregular shape with transparent background and a background image. How can I join these two pictures to make them fade with each other, but not with the background image?
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vote
4answers
229 views

How can I select a single color within an image?

How would one pick or select all of a single color within Photoshop, Paint.NET, or The Gimp? The objective is to edit everything with that color afterwards, such as by brushing over it with another ...
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vote
3answers
167 views

Set transparency of wood print [duplicate]

I am trying to make initials found in old books transparent. E.g. The paper should be completely transparent and the dark parts of the print fully opaque. But the parts of the print that are not ...
1
vote
1answer
404 views

How to open a file the fast way in Gimp?

The classical way to open a file is not followed in Gimp. There is no browse button, nor there is a textbox where one can paste the path to the file. I do not edit images everyday and I always have to ...
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1answer
43 views

Gimp make top half of photo lighter, and bottom half darker

I have a need to show things more dark or "dreary" at the bottom part/half of the stairway, and more light at the top. At the top I don't care about the stair colors so much, I want the sun to be ...
1
vote
1answer
44 views

How to bisect a selection with GIMP?

How can I cut a rectangular selection exactly in half, so that a 128-pixel long selection becomes 64 pixels long? I have this: I want to select just the top half of this box (so I can bucket fill ...
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vote
2answers
2k views

GIMP: Smooth png image from black to transparent (how to make gradient)?

How to make a transparent 'png' image from black (not transparent) to nothing (absolutely transparent) in GIMP smoothly? As result, this image on the red image gives the image from black via dark red ...
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vote
2answers
559 views

How to draw a solid line, that fades out to one side in GIMP?

How would you draw something like that blue border above, where there's a solid line that fades out to total transparency on one side, in GIMP?
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2answers
3k views

Use GIMP to extract out the logo from background

I would like to extract out the icon in the following screen (mixed with gray background) to Anyone know how I can do that using GIMP? Thanks.
1
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1answer
42 views

Automatically scaled opacity for multi-layered images

I have several set of images with a fixed background and an object moving in the foreground. I'd like to get an idea of the motion of the object by superimposing images with scaled opacity. If I load ...
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vote
2answers
2k views

Open source software to reduce colours to custom optimised palette (quantize) (for paint-by-numbers)

I want to manipulate a photo so that the number of colours is reduced significantly (to say 15-50 colours which I would specify the number). I would like those colours to be automatically optimised ...
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3answers
571 views

How can I multiply pixel values by a constant in Gimp?

In Gimp, how can I multiply the value of every pixel in a grayscale image by a constant value? For example, multiply each pixel by 2.
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2answers
2k views

Using GIMP to redraw an existing low res logo

I am just getting my teeth into Gimp and am not a graphic designer by any stretch of the imagination! I'm a developer trying to make myself a bit more useful on the design front. Anyway, I am ...
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2answers
2k views

How can I create a color-separated PDF in GIMP?

Using GIMP I would like to create a color-separated PDF. I plan on making printing plates for a home letterpress and they request a color-separated PDF, which seems to just be a page for each color ...
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vote
2answers
112 views

How to make a “barrel” shape from a flat image (?) [closed]

If you have a flat image ie logo you want glue onto a cylindrical "package" to show final product -- what free s/w package (or script) do you use? (I use inkscape and gimp to create flat art with no ...