Questions about how to achieve transparency, or adjust the level of opacity, in any graphic manipulation software.

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133
votes
3answers
672k 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 ...
4
votes
3answers
23k views

Transparent path/stroke fill in Illustrator

This is an odd request and something I've never had to worry about in Illustrator until now. I'm building out a logo that will be printed on a shirt. Instead of having a solid black border around the ...
74
votes
4answers
342k views

Replacing whiteness with transparency in CS6

I want to replace the whiteness in pixels with transparency in the same way as described in this question - i.e. for lighter pixels to be made proportionally as transparent. All solutions found via ...
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 ...
1
vote
2answers
440 views

Can image transparency be calculated automatically from multiple non-transparent samples?

I'm wondering if there is a way to automatically calculate transparent image from set of non-transparent ones. No manual work with individual pixels or manual setting of opacities. Many times I need ...
8
votes
2answers
34k views

How can I remove white pixels around circles when exporting this to gif?

I took the loaders from here: http://xooplate.com/template/details/10888-5-animated-loading-spinner-action-icons-psd Than I exported them easily, with the help of the included action to a gif. But I ...
5
votes
1answer
868 views

Set a stroke to knockout a fill behind it with live text in Illustrator

I'd like to be able to set the stroke of some live text to knockout a fill that is offset so it appears as a shadow with negative space between the top fill and the "shadow" fill. I can't seem to find ...
3
votes
2answers
54k views

Save Illustrator as PDF with transparent background

Is there a way to export my artwork as PDF so that it has a transparent background? Something like exporting objects only... whenever I try to save my .ai as pdf, it always comes with a full white ...
2
votes
1answer
11k views

Adobe Photoshop - How to turn text into a “hole” in a layer, so I will see the background through it.

Okay, this should be super easy to do but I just can't find the way. I have a background image with a solid colour layer on top of it, and I would like to add text on top of everything in such a way ...
10
votes
3answers
14k views

Batch replacing color with transparency

I have a very large number of PNG images (too many to practically do one at a time) with a bright pink background and would like to replace the background color with transparency. If this is not ...
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
117k 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 ...
15
votes
5answers
71k views

Photoshop CS5: Setting a black background to transparent

I have an image of smoke over a black background. If I set the blending mode of this layer to screen, the image's background is perfectly edited out, however if there isn't another layer below this, ...
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 ...
5
votes
1answer
2k views

How to punch through all the layers in Adobe Illustrator?

So I have this image as vector and a grunge image as vector: I can easily mask the grunge part from the image in Photoshop: But when I try to do this on Illustrator with pathfinder always get ...
19
votes
6answers
66k views

Copy & Pasting from Photoshop to Illustrator loses transparency

I often run into this issue. I'm creating a file in Photoshop with masked layers etc. I want to make the final output available for some mock-ups in Illustrator, so I rasterize the layers and marquee ...
6
votes
1answer
2k 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 ...
0
votes
1answer
12k views

How do I make a color background transparent? [duplicate]

How I can make color transparent in Photoshop? For example, I have picture of smoke, and I want to make background color (which is black) transparent. How?
11
votes
3answers
5k views

Make a desaturated image transparent keeping only shadows & highlights

I've been trying to do this for a few days now and have not gotten the results I need. I'm not sure I'm using the correct terminology in the title, if not, please feel free to correct me, and I'll ...
8
votes
2answers
58k views

How to save a 32 bit png with alpha channel (transparency) in Photoshop?

I want to use an image as an application launcher icon for my android application. The android guidelines specify an image for the launcher icon must be a 32 bit PNG image. Please explain the steps ...
4
votes
1answer
8k views

Making parts of Illustrator logo transparent - rather than faking it with the background color

So a designer has given me some logos (for the web) which are white on a blue background. She has, however, added blue paths to the shape to make it match the background. I would prefer to change ...
3
votes
3answers
41k views

How to make an area transparent in Illustrator

In the image below you'll see the white section (highlighted blue). The black section behind it is one path, and the white another. How do I remove the white from the black so it becomes transparent? ...
3
votes
1answer
10k views

Photoshop - turn white transparent, specifically preserving shadows - new issue

I have read articles all over the internet today. While some questions and answers are similar to my issue, none precisely cover my problem. I am currently doing CAD work for a website where my ...
2
votes
3answers
695 views

How to extract the black and white components of an image to superimpose it over colored backgrounds

Say I want to create a glowing button for a website. I would like to have the possibility to dynamically change the color of that button by changing the color of it's background. For this I need to ...
10
votes
1answer
361 views

How can I make a shape look like it is made of glass?

What are the general principles I can apply to make a shape look like it is made of glass? More specifically I want to make some simple graphics that give the impression of looking at a lens side (see ...
3
votes
1answer
80 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 ...
2
votes
2answers
1k views

How do I handle thumbnails of white-on-transparent pngs in Bridge?

When handling multiple white-on-transparent png images, I am hindered by the fact that the thumbnails of these images are all-white. Both Adobe Bridge CS6 and Windows Explorer suffer the same problem, ...
1
vote
3answers
4k views

How can I make a the lighter colors of a greyscale image transparent?

I would like to achieve in Photoshop this type of transparency effect (higher transparency values on the brighter areas of the image): How can I do this?
0
votes
1answer
321 views

Combining and Layering Transparent Shapes in Illustrator

Sorry if my title is a big vague. I'm fairly new to Illustrator and and still trying to figure out how things work. I have a few paths that I'm looking to layer, one on top of the other. From bottom ...
0
votes
2answers
7k views

How to change white background of an gif image to transparent

I have an gif Image like example and I want to make its background transparent from white. I am an learner of Photoshop so please describe steps to do it. Currently I was trying to edit each and ...
15
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 ...
15
votes
9answers
7k views

Transparency to unpremultiplied RGB + Alpha

I have a transparent layer in Photoshop CS5 (so internally, it's most probably stored as unpremultiplied RGB component plus an alpha component per pixel). Now I want to transform this to an opaque ...
15
votes
1answer
7k views

Why does this PNG image on twitter look different when clicked?

This morning on twitter there was a tweet with the text "click on this picture". When picture is clicked, it's opened in wider viewer, but looks completely different. I tried to analyze this picture ...
7
votes
4answers
6k views

Formula for finding out the result of a color after applying x% opacity to it?

I have 2 colors #a1a2a4 black (#000000) white (#ffffff) Now I need to know how much opacity (in a percent) must I apply to the second color (black) against a background of the third color (white) ...
2
votes
2answers
36k views

Transparency is lost in illustrator CS6 when I use image trace. Help!

so I'm pretty new to illustrator so sorry if this is obvious - but, I'm having troubles with the transparency of a flower image. I placed the image of the flower which has no background from a saved ...
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
4answers
8k views

How to place a border around a picture with transparency in Photoshop?

I have an image I want to draw a 1px black border around. When I increase the canvas size the extra space will be transparent; I can't select a color here. Ordinarily I would increase the canvas by 2 ...
1
vote
2answers
9k views

Spot Color Transparency and Screens in Illustrator

(Illustrator CS5) I have a design that will be printed on a line printer. Possible are up to 7 colors, or a 4-color process with 3 line colors. I'm currently sticking to PMS only (only 5 PMS colors ...
4
votes
2answers
276 views

How do I avoid selection box shrinkage when working with transparent layers?

TLDR: When I use the marquee tool to select a box around layer and then move it with the move tool, the selection box shrinks to surround the populated region of the layer. Is there a way to keep the ...
2
votes
1answer
248 views

How to punch text out of an object in Illustrator?

My enterprise logo has the text Job overlapping a bag icon. What I really want to achieve is a white bag logo with the text punched out. That way, on any background the text has the color of that ...
2
votes
3answers
845 views

Turning pixel brightness into transparency in single-hue image

I'm looking for a way to take single-hue images and turn their brightness into opacity in Photoshop. At the simplest, say you have a flat green circle on a white background (as an already saved ...
1
vote
2answers
149 views

Getting Transparent Images from Photoshop into Illustrator

Simply, I am trying to bring an image made in Photoshop into Illustrator for the purposes of creating a vector image for a t-shirt design. The image has only one layer and contains transparencies. I ...
1
vote
5answers
10k views

PDF has white background when exported from Illustrator

I'm saving an Illustrator CS6 file as a PDF. The file has a transparent background, however when exported as a PDF and dropped into InDesign the file has a white background. I've tried saving the ...
1
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 ...
1
vote
1answer
513 views

Black-white and grayscale to alpha conversion for images

Is there an utility for converting all black-white and grayscale images from certain folder to the same images with adjusted alpha channel? For example, for pixel (r:50, g:50, b:50, a:0) I would like ...
1
vote
1answer
11k views

“Replace” image (gradient) in image with alpha

Consider the following graphic: Note that the first image's background is transparent, and that the blue background in the second and third images is a subtle gradient - not solid color. ...
0
votes
0answers
52 views

Photoshop CS6 transparency issue

I have edited a photo in Photoshop CS6. I made a selection of the image using the quick selection tool and then refine edge. After this I select inverse and delete the background. After saving my ...
0
votes
1answer
2k views

Printing: Opacity color or transparency in Abode Illustrator

I have a client who needs a flyer designed and has a printing restriction of one color, in order to keep cost low. To make the design more interesting and appealing I have used the same color blue in ...
0
votes
1answer
409 views

How do I turn gray and white pixels on black lineart into a transparent gradiant?

I'm hoping my question is a simple one, as I'm strapped for time. To put it simply, the lineart looks great from afar, and I plan on adding color to it in a layer under. But unfortunately, due to a ...
0
votes
1answer
2k 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 ...