Questions about image file formats, a standardized means of organizing and storing digital images. Image files are composed of either pixel or vector (geometric) data. Common image format include JPEG, PNG, GIF, TIFF, EPS, SVG and many more. Ask anything about file formats that's relevant to graphic ...

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0
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1answer
16 views

GIMP: exporting as .png does not produce an image with the specified dimensions in “Scale image” or “Print size”

Let us say that I have a 600x600 pixels picture and I want to create a .png file with it that is 6x6 cm in size. What I do is to set the following in "Image->Scale image": I can check in ...
0
votes
1answer
46 views

Better way to save photos in InDesign so that they print in higher quality when turned into PDF's?

I create my newsletter in InDesign, and then save it as a PDF. I typically print a few copies from Adobe Reader, but no matter how high quality I set the printer at, my photos always look horrible and ...
0
votes
1answer
65 views

how to calculate the rate of loss of colors?

JPEG is said to be a lossy quality image format so most people prefer PNG. When JPEGs are edited it seems the quality does degrade(it's demonstrated well in the documentation of GIMP). How can we ...
0
votes
0answers
25 views

Jpeg for vinyl printing

I have a been asked to include a logo (Jpeg format) on a vinyl banner that i am producing. Would it be possible to know if this will be work without creating issue with the print. (will it display ...
1
vote
0answers
44 views

How to properly create and save for web animated slides with text on image background

Following on from this question PNG vs. GIF vs. JPEG vs. SVG - When best to use? regarding mr. @ChuckLeButt 's answer. I have a situation trying to create and save for web a few picture slides ...
0
votes
0answers
38 views

Images aren't sharp in iOS app

I'm developing an iOS app, whereas I've exported several assets from the Sketch 3 design app for mac. I made a new Sketch 3 file using the iOS template and created an iPhone 6 artboard. Then I ...
1
vote
0answers
38 views

What are the relevant ratios for converting to square ratio

I'm building an application that collects images and convert them to a square ratio images for usage as avatars in social networks. I want to understand what is the range of image ratios that I can ...
0
votes
2answers
109 views

Crop image background out? [closed]

I just started using photoshop today, and this is my first question in Graphic Design, so pardon me if this is a simple question. I have bee researching for about two hours now, on how to crop out the ...
-3
votes
1answer
115 views

what size should i use to print a shoppin bag? [closed]

I need to design a shopping bag. What sizes should I use for printing? It's a vertical bag. I know the sizes may vary according to shape. What font sizes that should be used? What file format should ...
1
vote
0answers
161 views

What image dimensions to choose for mobile and desktop in 2015?

I am working on a portfolio website for a friend showcasing the work in a gallery with photoswipe.com. Just got the original photos delivered. They are between 70 and 100 mb and range from 2551x5124 ...
3
votes
1answer
99 views

How can I make a png's Alpha contain undetectable colours?

Okay, I'll try to make a long story short. I use PS elements 8 (yeah I know that barely counts a PS). I make textures for a video game mod, and I came across a problem. To help explain I quickly put ...
0
votes
1answer
765 views

Reduce BMP file size without losing quality

The input file format is BMP. The required output format is BMP. I do not want a reduction of size or quality, but I want to reduce the file size. How is it possible?
1
vote
1answer
32 views

Illustrator image size info

I try compression to used images. How can i see images size (like 15MB, 20MB) to in my Illustrator file. Links window not show embeded images size.
15
votes
3answers
4k views

Why do people use JPG images?

I see JPG images everywhere. But why? PNG files have opacity, while JPGs do not. I've tried exporting some images to PNG and JPG to compare size, and they both either match up or the PNG is ...
0
votes
3answers
98 views

How can I optimize my graph images for my website?

The graphs are terribly detailed and include text for identification. These graphs are created in Visio by engineers then passed to me for website article creation. I normally take the graph file, ...
0
votes
2answers
3k views

Importing transparent background PNG in CMYK

So I have Illustrator document in CMYK mode intended for print. I need to import PNG image (because I need to place object extracted from the background). And here I step on the unknown area because I ...
2
votes
2answers
3k views

Saving an 8-bit grayscale image as a 2-bit image

Assuming there's an 8-bit grayscale image; what's the simplest method to save it as a "2-bit per pixel" image? Is it a binary image or something else (like a colormap image)? In the case of binary, ...
0
votes
0answers
52 views

Image processing automation

How does Photoshop treat a perfectly square image? Are they considered a Portrait or Landscape. I need to automate some image processing and I need to filter out perfectly square (aspect ratio 1:1) ...
27
votes
6answers
10k views

Can I reduce the file size of an SVG to be closer to its JPEG equivalent?

I have an image that I’m using on a website. I would like to use an SVG so that it can be any size and still look crisp. This dropbox contains the SVG file as well as the original Illustrator file. ...
1
vote
2answers
13k views

How to reduce file size of animated GIF?

I'm making an animated GIF web ad that needs to be 40KB or under. Unfortunately the one I put together is much larger than that. How can I reduce the file size without losing too much image quality? ...
0
votes
0answers
304 views

Converting Fireworks document into a high-res .pdf

I created a image in Fireworks. I need to convert the image into a high-resolution .pdf. I used export wizard on Fireworks to convert the image into a .tif. I then opened the file in Photoshop and ...
2
votes
1answer
181 views

Can you include retina and non-retina images within the same sprite?

When building a web page, I've always created 2 different sprites for my icons. A sprite for normal images and a sprite for retina images. The retina images are saved out twice the size and twice the ...
1
vote
3answers
11k views

What does rasterization do to an image?

What is the general purpose for making or converting graphics / images to a raster format? What happens to an image when it is rasterized?
0
votes
0answers
798 views

How to differentiate 24 Bit PNG and 32 Bit PNG file?

When image is encoded in PNG format, it can be encoded either in 24 bit format (rgb) or in 32 bit format (argb). Both the files appear as .png files. Then how it is possible to differentiate these two ...
0
votes
1answer
115 views

Change contrast/colors, etc to multiple selected images

I have a simple request, but can't seem to find the answer online. I want to change the colors of each of these green tiles to red. When I selected all images, my Image > Adjustments tab is grey'ed ...
1
vote
1answer
372 views

Is there a way to make an image larger without losing quality?

What's the best way to take the attached 'CobraJet' 72 dpi image and prepare it for inclusion in a printed poster? 1) I tried finding similar fonts 2) I tried blowing image up and blurring it 3) I ...
25
votes
5answers
6k views

Why are raster images still used when vector images have so many advantages?

I have read some posts and see many advantages of using vector images when compared to raster images: They can be zoomed or scaled at any ratio. File-size efficiency. Because vector image only ...
1
vote
2answers
507 views

How do I export a sliced psd file as a single jpeg image optimized for web?

I am a beginner at photoshop and am going a bit crazy here: I have a flowchart and am trying to use the slicing tool to include URLs into my flowchart image. However, when I optimize it for the web ...
0
votes
4answers
7k views

Picture loses quality upon saving in Photoshop CS5

I am using adobe Photoshop CS5, I am transforming my picture into black and white via "Calculations" and then i apply "Shadows and Highlights" filter. It actually looks very good in Photoshop but it ...
0
votes
4answers
262 views

Which raster image format is better for digitally displaying images when there is no transparency; JPEG or PNG?

I'm trying to determine which format is better to use when there is no transparency in an image. More importantly though, I'm trying to figure out when it's better to use one over the other. From ...
0
votes
2answers
8k views

Is there a quick way of converting multiple files from JPG to PNG in photoshop?

I made a rookie error and accidentally saved about 20 images in Photoshop as .jpg files rather than .png files. Is there a quick way I can convert all these files to a .png format at once rather than ...
2
votes
2answers
226 views

Small JPEG image (just 21.8 KB) without lack of quality — why is that?

This image size is just 21.8 KB without lack of quality. Why is that? How is it done?
-2
votes
1answer
340 views

What program can I use to view a .gfa file?

I have a .gfa file that needs viewing outside my simulation program. After google-ing .gfa, I found that it belongs to the Graphics Interchange Format along with .gif. But I have not found a viewer ...
2
votes
5answers
631 views

What is the purpose of the resolution property of images (when creating/editing)?

I want to check something I don't quite understand with the size/quality properties of an image. OK, as much as I understand, the size of an image you create in Photoshop, for example, will determine ...
0
votes
1answer
2k views

What does 8 bit alpha (PNG) mean?

I am trying to follow specs for iTunes app graphic. The requirements state: 72ppi, rgb,flattended, NO transparency High qualtiy PNG plus 8-bit alpha. Everything I read about alpha is WITH ...
9
votes
3answers
23k views

What unique benefits does the EPS format provide?

Reading this excellent question regarding logo export formats, and it made me want to ask a question that was a little bit more narrowly focused than that one. I know when to use a GIF and when to ...
2
votes
5answers
733 views

Should I, or should I not, consider using an image editing tool other than PhotoShop?

Please forgive the open-ended title. My actual question, I think, is a bit more specific and suited for this site but it is rather difficult to articulate my need in one simple sentence. Quick ...
5
votes
2answers
2k views

Is it possible to convert PostScript to SVG? (Inkscape)

Is it possible to convert a PostScript file to SVG? Based on an answer in Tex.SE, I tried to use inkscape: inkscape test.ps --export-inkscape-svg=test.svg This indeed produced an SVG file, but ...
1
vote
2answers
134 views

Combining elements from multiple PDFs -what options do I have, what tools can I use?

Here is my problem: I am creating mindmaps with Mindjen MindManager (see an example here http://en.wikipedia.org/wiki/File:Mindmanager.png) The problem is that this program has very poor printing ...
2
votes
1answer
4k views

Photoshop CS6 export to RGB 565 format

I googled this a bit and found an older post on the Adobe forums but that's for Photoshop CS3. I was looking for the Advanced Mode option but couldn't find it. Is it still possible to save a bitmap ...
3
votes
1answer
7k views

What image file format is used by Autodesk Sketchbook Mobile?

I have been using Sketchbook Mobile on an android phone a little bit and, being an android (me and the device), I have located the single save file the program allows and make backups of that file on ...
1
vote
1answer
575 views

Planning to use different size images across different devices

The current framework I use to design webpages currently doesn't do anything to optimize images across different devices. As I see it, their are four types: mobile, tablet, desktop PC and large ...
1
vote
1answer
21k views

Converting an Illustrator Letter Head Design to Word

so I created this letter head for a client of mine in Illustrator and it's looking good and everyone is happy with it. This now needs to get converted into a word document so that when they open the ...
2
votes
2answers
9k views

Best file type of picture for print

I'm doing layout design, pro bono stuff for my uni, and I haven't done much designing lately. But back when I did my high school newspaper I remember what I was told: your pictures must be in .tiff ...
0
votes
1answer
195 views

Why am I losing quality when combining two images?

I have a transperent image image1.png that is383 x 133 px, and another background image image2.gif that is 430 x 128 px. I opened both of images in two separate tabs in Photoshop. Then I copied the ...
3
votes
2answers
315 views

Measuring minimum resolution in Photoshop/GIMP

I am following Apple's iTunes connect guide (as of today 13th November 2013) for designing an image. At page 239 of their guide I am confused on the following: Background artwork must be at least ...
2
votes
3answers
39k views

How to Remove Jagged Edge (Aliasing) on a Straight Diagonal Line

This is 120px X 283px dimension, PNG image. When using it in website the same image dimension is set through css but in the browser view it is showing like a saw like this Is it possible to draw ...
1
vote
2answers
858 views

What software should I use to design clipart pictures of human's performing different exercises?

I am building a database with descriptions and various other information for strength training exercises. One of the most important things is to actually let the user get a visual idea of how to ...
3
votes
3answers
10k views

Are there methods for cutting down on file size with animated gifs without decreasing quality?

I'm in the process of replacing a lot of flash content with anything other than flash. Most of it's simple animated diagrams such as the one below: Rather than write javascript each time an image ...
5
votes
2answers
3k views

Embedding pdf in illustrator

So, I'm using adobe illustrator for creating vectorial figures, mainly for graphs. In illustrator, creating graphs is not so well implemented, so I'm using another tool to make them (e.g. R, xmgrace, ...