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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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 ...
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1answer
18 views

Gimp: Howto antialias round border around

I have a gif file with a round logo on top of transparent background. The border around the round item needs to be antialiased. I have tried selecting with the fuzzy wand as well as with border: 2px, ...
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1answer
26 views

Is selective blur (this GIMP's one) available in Photoshop?

Here's how it looks like: http://docs.gimp.org/en/plug-in-sel-gauss.html It automatically blurs blurred parts of image, but preserving crisp edges and contrast. Is it available in Photoshop?
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1answer
21 views

In Gimp, my image has texture, how to I make that object smoother?

How do I make my object in GIMP solid, not textured. (It was drawn with marker).
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2answers
27 views

In GIMP, how can I change one solid colors to multiple color variations?

I'm not really sure how to ask this in words, but I used to use a program along time ago that would change one solid color into multiple variations. Say I have a solid red square, but I want it to be ...
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1answer
20 views

GIMP transparency is not working

I followed this tutorial on GIMP to make an image transparent. Here is a snippet of the original image opened inside Windows Image Viewer (so the grey background is part of Windows Image Viewer, I ...
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1answer
30 views

A way to enhance scanned image with a low resolution photo?

So I have a lower resolution photo and a high resolution scan from a magazine that both picture the same thing. However, the scanned image is faded, has text, is not fully in color (parts are in gray) ...
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0answers
16 views

cut from gimp and paste to another application shows up wrong

So I have an image which I have grabbed from an image library, I modified it and then tried to copy and paste it into another graphics application (Greenfish Icon Editor and windows Paint). In both ...
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1answer
18 views

Given an image modification on Gimp, how to obtain the convolution matrix

In Gimp, there is a convolution matrix tool which lets the user define his own convolution matrix, and then see the result on the image. I am writing software for image classification, and I need to ...
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1answer
45 views

gimp - animation formats besides gif

Using Gimp 2.8.4 I am developing an animation for a game in gimp. The game does not require a gif animation - I load individual images as frames, usually pngs, and animate them in the game engine. ...
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1answer
51 views

Blending neighboring pixels together

Disclaimer: This is my first real time using Gimp, so I apologize if this is a basic question. I'm trying to blend the colors of my pixels together based on the neighboring pixels. For example, ...
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1answer
40 views

Change color of transparent element in GIMP

Someone created a logo for me, It's a one-color logo with some shiny effects as you see. Can I change the color of the logo without losing transparency or brightness? And which one I can change the ...
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1answer
45 views

GIMP: how to create a collage where the photos can be repositioned within frames?

I'm trying to create a collage with 3 photos in GIMP, and I want to be able to reposition the images within each frame, not just crop them to fit the frames. Here is a sketch of what I want it to look ...
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2answers
286 views

how to make a color transparent in GIMP

I realize there are a ton of questions like this, but they are all way overcomplicated for what I am trying to do. What I want to do is very simple. I want the background of my image completely ...
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2answers
51 views

Photoshop - clear color data from transparent pixels

I have some images that have some transparent grey pixels, and when I make the picture larger, thoose pixels are visible a little bit. Is there a way to do this with Photoshop? In GIMP you can ...
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1answer
37 views

Map borders on GIMP

I'm trying to create a map for Risk. I found an image scouring the Internet that fits what I want perfectly, except instead of having borders, each province is just a different color. I would like to ...
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0answers
33 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 ...
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1answer
25 views

GIMP: how to rotate a picture from its end

Hello I want to rotate a picture in gimp but I want the axis to be at the end of the picture. Kind of like a picture being a knife in a folding knife. I want to be able to rotate a picture like that. ...
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39 views

Compress png images with Gimp

I'm getting a message from PageSpeed Insights that recommends to compress some png images. E.g: If compressing .../logo.png without loosing information, you would save 1.014 B (12% redcuction). ...
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3answers
95 views

How do you create a Translucent white background to text on an image with Gimp?

I am really struggling trying to create a similar look to this white translucent background with text on top of an image with GIMP. One example is Pottery Barn: http://www.potterybarnkids.com/. ...
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2answers
90 views

Restore image with negative colors

I have an image that was taken using a negative color filter long ago, but now I need the normal picture, is there a way to get a good quality of that picture with the actual colors? The current ...
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2answers
48 views

How to select color with gimp

I am trying to select by color in Gimp this image: but when I select by the foreground color, also the antialiased pixels in the border are selected. How to select only the foreground color in ...
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1answer
73 views

Move canvas pixel by pixel

In Gimp, the canvas can be moved by positioning the cursor over the canvas, holding down SPACE and then moving the cursor. But, how can I move the canvas by a single pixel?
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1answer
30 views

How can I do a global fuzzy select in GIMP?

How can I make the fuzzy select global in GIMP, so that it selects all of a certain color and not just contiguous regions? For example, if I drew multiple red squiggles, how could I easily select ...
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3answers
114 views

How to downsample an image to match a 16-bit color mode?

NOTE: I'm a systems administrator, not a graphic designer, so I'm a total n00b when it comes to image manipulation. That being said, I thought this would be the best forum to ask this question: I am ...
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1answer
25 views

How to quickly set GIMP selection aspect ratio to that of the image?

If I don't know the aspect ratio of an image, what is the most efficient method to set the selection aspect ratio to that of the image? The fastest I've found (not fast at all) is to look at the ...
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213 views

GIMP: the closest thing to Photoshop's smart object?

I've been learning GIMP as an alternative to Photoshop, which I haven't been using for design purposes for more than 5 years now. I discovered that there is a new interesting thing called the smart ...
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2answers
189 views

Edit a png file that cannot be edited

Is it somehow possible to edit the color of something that's in a .png file that cannot be edited? I'm trying to change colors of icons in a .png file that's used as a .css sprite. The originals are ...
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2answers
160 views

How to form semi-circular text in gimp or photoshop?

I am not trying to wrap text around a semi-circle but form a semi-circle with text. Basically the font will gradually increase from left to middle and then decrease from middle to right. Can ...
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2answers
196 views

Outlining photo content (like a colouring book)

I am trying to make a full color photo into just a black outline to be printed and colored in by hand, basically just making coloring pages off of full color photos. I just installed gimp, but cannot ...
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1answer
47 views

What's the math behind gamma in GIMP?

Inside GIMP, Colors -> Levels Click on the "Pick gray point" eyedropper (the middle eyedropper) and then click on a pixel in the image. Then go change to the Red/Green/Blue channels and you'll see ...
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1answer
33 views

How do you use a non-alpha channel selection with basic paint tools?

Get your selection > Save to channel > Set channel as selection How do you use things like pen, paintbrush, fill, exc. at this point? When I go to use them they are in my edit history but I don't ...
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2answers
115 views

What is this effect called? Is it film-grain?

What is this effect called? Is it film-grain? It kind of looks like but the grains are bigger. Thanks a lot in advance.
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1answer
115 views

How to create a high quality gif with GIMP?

I'm trying to animate a few images as simple gif. The images contain one human, a red balloon and a green background. The background seems to be dominating. The face is made of only a few colors, and ...
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1answer
43 views

Error opening EPS in GIMP 2.8 [closed]

I'm attempting to import an EPS file into GIMP, but it fails. I'm running v2.8.19, and I've installed Ghostscript 9.14 (I think that's the version). I've also gone through setting up the System ...
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3answers
281 views

How to draw 3 overlapping circles with different colors?

Is there a free software to draw following in ubuntu? How to color the overlap zone? I am not able to figure this out in GIMP.
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0answers
31 views

Which HSV-noise values do not cause artifacts on an LCD screen?

I have come to notice that certain HSV noise filter values applied to a uniform background colour look horrible when viewed on an LCD screen under certain viewing angles. This is more noticeable on ...
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1answer
79 views

Learning a new program! (A designers nightmare) [closed]

Does it have to be so difficult? I open up gimp. Wait, what does what? I open up inkscape. The controls are so different. Cntrl+D does not work. Ar.AR.ar. Photoshop, illustrator and more. Why does ...
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2answers
120 views

Tool that will do a circular blur/convolution

I'm primarily a gimp user, but I want something to blur an image similarly to the way a lens would blur an out of focus background. AFAIK this is essentially a circular blur/convolution (assuming ...
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1answer
39 views

Gimp, how can I find the positions of a layer?

I need to find the x / y positions for each layer. I've googled but I can't find the answer.
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1answer
166 views

How to remove the white border “halo” from my logo?

I have the original .ai files as I paid a graphic artist to do these logos. I uploaded a .gif export of the files only to see that they have a white border: If I don't have AI/PS can I use ...
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4answers
99 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?
2
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0answers
137 views

How to size canvas and add and retain full image in GIMP?

I am a GIMP beginner and have successfully created images with my desired transparencies in GIMP. However, I have problems with and can't seem to understand the ins-and-outs of image and canvas ...
6
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4answers
475 views

Convert image into mask

I have a green background picture with some shadows. I would like to use it as a mask so I can place it on background with any color (e.g. red or pink) and get the same style of shadows. I tried ...
3
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2answers
97 views

How can I select the convex hull of an existing selection?

I'm trying to remove blue skies with clouds quickly from many images. I've used gimp's Color Selection Tool, which selects the sky but not the clouds. Since all clouds are in the sky, if I could ...
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1answer
104 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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3answers
255 views

How to create solar flares using Gimp or Inkscape

How can I create a solar flares effect using GIMP or Inkscape? Something like this image: Edit: first of all thanks for all the great comments and suggestions. My initial idea was to create the ...
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1answer
118 views

Scaled layer in background for 8 bit art

I want to create some 8-Bit artwork using gimp. Is it possible to open a larger, higher resolution image and have it transparently in the background while drawing the 8 bit representation of say, ...
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9answers
5k views

Is there any way I can add watermark to .jpg files (around 15000), en masse instead of one by one?

I have around 15000 .jpg files that need to be watermarked. Is there any way to process these images en masse to add the watermark?
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1answer
59 views

Gimp: Add text to Layer Mask?

I'd like to have a layer mask in Gimp that includes some text. I currently have a method of achieving this, but it's a little more crude than I'd like. In this image, the top text is a simple text ...