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 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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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.
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1answer
46 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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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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2answers
3k 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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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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2answers
108 views

Scale down an image in GIMP without losing resolution

How do I scale down an image to a smaller size in GIMP without an unnecessary loss of resolution? I know that I am losing too much image resolution because when I downscale the same image using HTML ...
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2answers
182 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 ...
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2answers
3k views

GIMP: Remove text from background [duplicate]

Im completely new to image editing, so excuse my immaturity... I have the following image: I want to remove the writing on the blackboard and replace it with something different, keeping the ...
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1answer
168 views

How can I recreate this effect in GIMP? Blue/white color conversion

Here is the image: The best way I can describe it is converting the image to a black/white scale (heavy white) and making all instances of black==blue.That was how I approached it when trying to ...
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2answers
80 views

How can I make the alpha in a layer proportional to the darkness?

I have a layer that I want to merge and I want the dark colors in the layer to have more weight. How can I make it so that black pixels are 100% opacity, white pixels are 0%, and #7F7F7F pixels are ...
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3answers
591 views

Convert .psd into .png without loosing shading and lightening

So I do not own Photoshop, but got a .psd file from my client to work with. I managed to use a online converter and get this .png out of it. What I additionally need though is the conversion of ...
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1answer
172 views

How to export overlay glow

i made the following image: lowest layer: solid black middle layer: some white brush painting highest layer: solid red with Overlay mode this gives me a nice glowing effect, which i would like to ...
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2answers
340 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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1answer
5k views

brightness-contrast does not operate on indexed layers

I want to darken a PNG image in GIMP. I open it and choose Colors | Brightness-Contrast. The application responds with the error message - "brightness-contrast does not operate on indexed layers". ...
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3answers
2k views

Change Color Of A Monotone Icon To Another Color

Basically, I'm a programmer and I'm pretty new to graphics design, and I don't have much knowledge of the keywords used by the graphic design community. That's why I'm facing problem in googling this ...
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2answers
2k views

Gimp : difference between crop and canvas size

I would like to know the difference between the crop tool and changing canvas size. If I reduce the size of the canvas, a yellow dashed line stays around the previous size. On the other hand, when I ...
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1answer
3k views

In GIMP how to scale up image without scaling layers?

I am trying to scale images without scaling layers. I tackled the problem of scaling down the images by selecting the largest visible layer and the cropping the image to that layer. This way none of ...
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2answers
5k views

Gimp: Copy layer 1 to layer 2's mask

Pretty straight forward question, say in Gimp I have an image with 2 layers in question, one is temporary, I want to use it as the mask for the other. How can I transfer a layer into the mask of ...
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1answer
139 views

How to add brushes on gimp

I am a new user of Ubuntu, and to be honest completly new to the whole linux scene. I'm looking to add more brushes to my GIMP program, but I don't know how.
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1answer
130k views

Changing the background of the picture to white

I have a passport picture in which the background is light brown. I need to change that background to white. Is there anyway I can do that using Inkscape or any free tools? Here is the picture: ...
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1answer
260 views

Simple way to create this 3-D pixel effect in GIMP?

It's the sad, pixelated little icon that appears when Google Chrome doesn't shut down correctly. Given a, say, off white on dark gray pixel image to use in a design, how would I get the edges of ...
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3answers
987 views

How to create multiple buttons in bulk with Gimp?

I'm trying to create a "set" of buttons. Actually I can make the buttons somewhat easily. In GIMP I have a template (It's a rectangle… soooo complicated). Take template, add text to text box for ...
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4answers
6k views

Convert icon to a transparent png

I have a set of icons that I resized to 30x30. Now I want to use them for my iPhone TabBar as specified here: http://www.idev101.com/code/User_Interface/sizes.html How can I make these transparent ...
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1answer
97 views

How to make a watermark like this? [closed]

If possible I want to make it in paint.net/gimp because I don't have access to PS. I have tried a few programs for massive watemarking but none of them had the option for the text to look like that. ...
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2answers
587 views

How do I draw horizontal/vertical straight line in GIMP?

you can consider me new to GIMP. I've tried by holding Shift key, can draw straight line but I want a straight horizontal/vertical line. So, How can I draw straight vertical/horizontal line?
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487 views

How to achieve this cartoon effect in GIMP?

Cartoon filter doesn't make it. Desired effect examples: Image 1 source: http://stackoverflow.com/a/1357489/1165509 Image 2 source: http://stackoverflow.com/a/1357751/1165509 Can you describe ...
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1answer
59 views

Rotate view in GIMP

Is there a rotate view tool in GIMP? I am not looking for a transformation tool, I want to rotate the document to make overwise uncomfortable strokes with a drawing tablet more natural. If not, what ...
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2answers
102 views

Mapping all colors (except background) to a single color in GIMP

I have a spotty image. The image has maroon and black spots (with gradient) on a white background. I would like to convert every color (except white) to green color using GIMP.
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2answers
362 views

Disable floating layer mechanism in GIMP

GIMP applies a floating layer whenever I paste content into a document. Unlike Photoshop, this requires me to create a new layer each time which is an annoyingly contrived and confusing process. How ...
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1answer
471 views

Gimp export layer mask as png

As the title says, how can I export only the layer mask? I want to do this because I need to use it in another program.
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1answer
72 views

Gimp - fast switching to eraser

I've been searching for this but all I find are annoying tutorials on how to click the eraser button. Whenever I switch to the eraser it keeps the tool size I was using for the pencil, I'd really ...
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2answers
325 views

How to convert GIMP gradient to Photoshop compatible Gradient?

I want to convert GIMP Gradient to Photoshop compatible gradient (importable)
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1answer
852 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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2answers
257 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
387 views

Seamless UV Texture - GIMP

I'm creating a model of a road to use in Unity. The edges need to be able to tile so I can link multiple parts together. I made a UV map and edited it in Gimp. I used the seamless filter in gimp to ...
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1answer
691 views

Keeping colors on an image while setting full transparency

I would like to create an image from a map, where each country is colored in a different color, where the frontiers are in black, and in which each color except black is fully transparent, while not ...
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1answer
779 views

Splitting an image into many randoms pieces

I have an image of a map of a certain region, and I want to show the map divided to about 1000 small pieces. This should be a metaphor of dividing the region to many small land-plots. I need two ...
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1answer
4k views

How can I set opacity for an image in GIMP 2.6.x?

I've searched and found advice to use a GIMP layers dialogue in e.g. How do you get transparent colour on Gimp? However, in my version of GIMP (2.6.8 for Mac), Layers doesn't seem to be set up to ...
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2answers
288 views

Blending a drop shadow seamlessly

I need to apply shadow to an overarching border, however so far I've created the shadow with CSS, and since the overarching border is formed by two boxes, the shadow overlaps. My solution to this is ...
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1answer
10k views

How to add a shadow border to an image in GIMP

I prepared a square and a triangle in Gimp but I am unable to get a shadow around it. I want it exactly like the image below. I tried with filter --> lights and shadow --> Drop shadow but it ...
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2answers
299 views

How to scale a layer with gradient?

For a web game logo I keep around a Gimp file 1024x1024-logo.xcf which has 3 layers: Text (the game name) Picture of 2 playing cards Blue background as a linear gradient Now I have received a new ...
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1answer
997 views

Export GIMP Settings

I've used GIMP for a while and have custom settings, brushes, plugins, etc. installed on my Windows 7 computer. I have a Windows XP machine that I want GIMP on too, and I want all the customizations ...
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1answer
1k views

Gimp: Save tiff with a “Group 4 Fax” compression

I'm using Gimp and I need to save a tiff file with a "Group 4 Fax" compression. I've followed the instructions to have that option enabled on the "Save as Tiff" dialog (see bottom of the linked page), ...
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2answers
931 views

Is Gimpshop equally good as Gimp?

I am a photoshop user who is looking for a free alternative. Gimp is usually the answer. When looking for downloads I stumbled upon 'gimpshop', a gimp distro that is layout for the convenience of ...
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2answers
72 views

Gimp Jagged Borders

I'm trying to create a bordered, transparent circle. I created a circle with the ellipsis tool, then Select->Border, then Edit->Fill with FG Color. The result is a terribly jagged border. I tried ...
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1answer
39 views

Gimp, OSX: PNG file seem to be saved without the alpha channel

I have followed the instructions in this question in order to cut our the paper-white background from an image and turn it into a transparent alpha surface. The original image (alpha_orig.jpg) ...
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1answer
62 views

How to scale the alpha layer without scaling the image ? gimp

I am trying to write text which larger than the image itself, as you can see in the bellow picture: but gimp doesn't show the complete text, because the alpha layer is smaller than the text size. ...
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1answer
38 views

Short-cuts for gimp

I want to edit many jpg files and use the color curves tool to adjust each image with a individual color curve. I could not find a keyboard short cut to open the curves tool. Is there any? How to ...
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2answers
48 views

Fill a shape with Bucket Tool (except leave the text inside the shape transparent) in Gimp

I have this image that I downloaded and I am trying to recreate it in a larger size. This is what I have so far: I really want to be able to fill in the oval with black, but not fill in the ...