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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133
votes
3answers
675k views

Making the background of an image transparent in Gimp

I have some jpg images and I need for each of them to have a transparent background. I have GIMP as a graphic tool. I need to put them in a web page and I need to see just the main element and have ...
9
votes
5answers
5k views

Photoshop curved Shadow

How to create the shadow effect as per the url/image below? Specifically, the rounded/curved shadow at the bottom:
17
votes
2answers
36k views

Crop a big picture into several small size pictures

Is there a a way with GIMP editor to crop a big picture into several small equal sized pictures? So when all those small pictures connected in order would make a big picture.
7
votes
3answers
5k views

How to add a color gradient to a picture

I felt in love with the way this graphic designer, called Mariusz, has edited this picture. It would be fun to produce something like this for myself. Anyone has some ideas on how to create such a ...
23
votes
9answers
9k 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?
18
votes
2answers
17k views

Why does my transparent PNG not look good?

I want to convert a JPG to transparent and using GIMP I added alpha layers and transparency same way I make a GIF transparent I converted it to PNG but it doesn't display well when I load it on my ...
4
votes
2answers
4k views

How to remove background with Gimp?

How to remove background from an image with Gimp?
2
votes
1answer
3k views

Is there way to colorize by RGB in GIMP?

There is a colorize tool in GIMP. But it provide only with HSV. Most of time I want to colorize with RGB, so I'm using converter web site like http://www.rapidtables.com/convert/color/rgb-to-hsv.htm. ...
7
votes
5answers
48k views

Replace black background with a transparent background

How can I add transparent background on this image instead of black background, but I also would like to keep the partial transparency effect on some of the particles and particles borders. Could ...
32
votes
5answers
118k views

Add transparency to an existing PNG

I'd like to use this image on a web site. What I need to do is change the background from black to transparent, so I can use the arrow on my site maintaining the page background. I used Gimp to ...
26
votes
7answers
50k views

Professionals: Would you choose GIMP over Photoshop and/or Inkscape over Illustrator?

I know Adobe's solutions are more advanced, but, as professionals, do you think you would survive (against competition) using GIMP and/or Inkscape instead of Photoshop and/or Illustrator for your ...
6
votes
1answer
15k views

Using GIMP, can you “erase” a color?

I'm presently working on an iOS application and I am attempting to reverse engineer their standard alert dialog window. I have managed to figure out what the alpha value on the background it uses is ...
6
votes
1answer
3k views

GIF with transparency output not as expected in GIMP

I have been trying to create a GIF using a sequence of PNGs within GIMP An example PNG from the sequence shows the correct transparency I want to be shown in the GIF, But when I process the PNG ...
6
votes
2answers
5k views

Overlay a graphic on a photo or image

How would I overlay a graphic (a logo in this case) on a t-shirt and make it look like it's really there, not just superimposed (wrinkles, lines, etc?) I don't have photoshop or any adobe software, ...
17
votes
5answers
27k views

How to convert old scanned documents into black and white

I have some old documents that have been scanned, and I want to convert them to black and white. Content should be always black, and background white: I use Photoshop.
3
votes
4answers
2k views

Is it easy to convert an image to a cartoon with high quality?

Is it easy to convert an image to a cartoon with high quality ? Like this: I've watched this tutorial : but the quality of the outcome is still far away from the one above. Is there a way to ...
6
votes
1answer
4k views

How to create grid in GIMP (not sure if the filter is good)

I'm a beginner to GIMP, and I'd like to create a grid. I searched Google and all it gave me was to use the Filter > Render > Grid plugin, but for my job all I want to do is something like this: ...
4
votes
2answers
13k views

Is it possible to add a background image to all 'layers' of an animated gif?

I have an animated gif with transparent background, and I want to add a background image to all layers: How can I achieve it without adding it to every layer individually?
3
votes
2answers
209 views

What is the correct name of this filter?

Normally, this is what would you would see if you magnified older newspaper images printed in color. (check the background of the attached image) What is this filter called? How can I recreate this ...
2
votes
3answers
9k 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
votes
2answers
1k views

Using GIMP, given a black text on a white area having some grayish smudges, how do I remove everything except the text?

Using GIMP, given a black text on a white area having some grayish smudges, how do I remove everything except the text? for example this image, has gray outline around the text at places, I tried ...
1
vote
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 ...
4
votes
2answers
12k views

GIMP: How to crop a layer?

I have a screenshot where I want only a part of the pasted image, and I want to turn the white that's in it transparent. First I need to crop the pasted image. I have selected the layer and a ...
3
votes
1answer
83 views

put partly transpared photo on top of panorama

What is it nessesary to do if I want to see just black edges from background image in image placed on top? Here are links to source images This is what I want to create: You can see there are ...
3
votes
3answers
1k views

GIMP: How to apply a mask to multiple layers?

I'm new to GIMP, so I'm having trouble accomplishing the following: I want to apply the same layer mask to all of my layers without having to merge them. If this is not possible, the end result ...
3
votes
2answers
366 views

Exporting square tiles from a stripe - in Inkscape or Gimp

I am using Inkscape and Gimp to create assets for a word game and am looking for an advice from more experienced users of these great tools. In Inkscape I have created a stripe with 26 letters and ...
3
votes
2answers
204 views

What sort of structure does the slice tool generate when exported as HTML?

When I used the slice tool on each part and export as HTML, does it generate a skeletal HTML code where it consists of frame layouts? I would like to know for both Photoshop CS4 and GIMP.
2
votes
2answers
1k views

Plugin or brush for transforming a photo to a fractal in gimp?

Folks, I've been looking all over for a plugin or brush that will help me take a photo and reduce it to that 'electric look' (or fractal?) that i'm seeing in various places. I'd vastly prefer one for ...
2
votes
1answer
2k views

Create rounded button with inset edge, gradient and inset text with Gimp

This is my first attempt at seriously using Gimp. I am more of a front end developer slash developer myself and I have only used Gimp or Photoshop for very basic stuff such as removing backgrounds, ...
1
vote
4answers
264 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 ...
16
votes
2answers
48k views

Gimp - Using an image as the transparency layer of another image

I have two images (For the sake of simplicity, Image1 and Image2). I want to use Image2 as a transparency for Image1. How can I do that? Assume I've done little more with Gimp than play with some ...
28
votes
1answer
110k views

Make image partially transparent in gimp

I want my image to have 60% transparency. How can I do this in gimp?
7
votes
8answers
8k views

How can I make a screenshot look like a photograph taken of a real surface? [duplicate]

Possible Duplicate: How to get this blur texture effect in photoshop? I'm starting from a plain old screenshot, and I'd like it rotated in 3d, with more distant parts more blurry. Is there ...
30
votes
1answer
34k views

GIMP: Trying to move selected text layer but moves background layer

I have a background overlay on which I have three text layers on top. Now I want to move these text layers around on the overlay, but I can't get it to work. As soon as I click inside the text layer ...
22
votes
5answers
2k views

What's the most efficient way to “blank” old comic word balloons while retaining paper texture?

I'm taking very old (1940s and '50s) comics and trying to remove the text from some of their word balloons. I don't want to just erase their contents to pure white space, though, as the paper colour ...
9
votes
1answer
9k views

How can I map the colors in a greyscale image to a specific color “gradient”?

Caveat: I'm not a graphic designer and may be misusing some terminology. Please bear with me. :-) I'm attempting to add color to some greyscale icons (i.e. all three channels are identical). I ...
5
votes
1answer
392 views

Create a clockwise gradient in GIMP

I was wondering if anyone knows a relatively easy way to create a clockwise gradient in GIMP. If you could imagine a vertical line 1ps wide (The length of the radius), and then rotate it 360 degrees, ...
12
votes
4answers
43k views

How to select more layers with GIMP?

For example in Adobe Photoshop I would just shift+click. How do I do that in GIMP?
6
votes
3answers
10k views

Annoying GIMP issue (fill bucket with a circle-slash icon on the cursor)

I am trying to bucket fill a layer, but I get this crazy cursor I cant get rid of. I think its because I have something selected. I tired Select All, Select None, but the cursor does not change. I ...
5
votes
2answers
3k views

Gimp: removing background from product images

I often have the task of making the background of product images pure white. While preserving the best possible image quality, what is the quickest way to adjust colors such that the background ...
-2
votes
2answers
124 views

How to convert color images to black & white in GIMP?

I've a color image and want to print on my black and white printer. So, How do I convert it to black & white using GIMP?
13
votes
7answers
11k views

GIMP - change color of object preserving feathering

I have an .xcf image and I like to change the color of some objects within it. The objects are mostly one solid color with the edges feathered into transparency. I.e. all pixels in the object are ...
5
votes
4answers
9k views

How can I create a multi-color blurred background?

I have seen an image with this background. As a newbie I am unable to get this multi colored mixed background. I am able to get just two colors and that too linearly with the Blend Tool. But that ...
4
votes
1answer
5k views

Why is the Gimp selection pane not going away?

I needed to move something so I copied it and pasted it to its new location and now where I have pasted it there is a selection pane that will not go away. I've tried to move the pane and tried the ...
3
votes
2answers
6k views

10 pixel square brush in Gimp… how?

I need a brush that is exactly 10x10 pixels. Here is what I have tried so far: creating a brush with a radius of 5. This, of course, results in a brush that is more than 10 pixels wide creating a ...
2
votes
3answers
2k views

Changing image color

I am by no means a Graphic Designer but try. I have an image I got from iconarchive and am trying to set the color to red (#840a0c) and setting transparent where there is white. I am using GIMP for ...
2
votes
1answer
7k views

Making GIF in GIMP from set of PNG's, resulting in the screen filled with all layers

I have imported a set of PNG'S as layers by calling FILE > OPEN AS LAYERS And I get the result: All the layers are oddly cascaded on top of each other So when I got to export it, I get this: ...
2
votes
3answers
1k views

Automating the Creation of Geometric Shapes?

How can I draw geometric shapes, or other regular shapes, such as a gear, using macros or scripts? I'd like to experiment with creating games by combining elements, similar to geoDefense: ...
1
vote
2answers
217 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 ...
4
votes
2answers
619 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 ...