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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-1
votes
1answer
15 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?
0
votes
1answer
24 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.
14
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
79 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
151 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
217 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
38 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) ...
25
votes
6answers
4k views

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

I have an image that Iā€™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
461 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
97 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
114 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
votes
3answers
531 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
256 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
43 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
186 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 ...
21
votes
5answers
4k 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
262 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
0answers
142 views

How does Apple compress/deliver the razor sharp @2x images on its website in tiny file sizes?

I've always wondered how they compress them. They have massive 2800x800 pixel images on their landing page that are just 90KB. In general all the imagery on Apple.com is very high quality, yet the ...
0
votes
4answers
197 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
2k 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
195 views

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

This image size is just 21.8 KB without lack of quality. Why is that? How is it done?
0
votes
1answer
192 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
426 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
1k 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 ...
7
votes
2answers
7k 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
636 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
107 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
2k 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
5k 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
372 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
14k 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
5k 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
144 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
262 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
27k 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
652 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
9k 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
2k 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, ...
4
votes
3answers
1k views

How to determine what quality a JPG was saved as?

When saving JPG images with Pixelmator or Photoshop, I select a quality from the scale 1ā€“100 that gives optimum file-size. Later on, I sometimes take these images and crop them a little more (not ...
3
votes
2answers
3k views

Illustrator CS6 saving as CS5 by default?

I don't really use Illustrator, but as the techy I am I help someone who does use it regularly - not a techy at all. The problem is I've installed her CS6 because of the 64 bit support, but she has ...
2
votes
1answer
91 views

GIMP: Using Channels Independently

I need to use GIMP instead of Photoshop, but I have a problem doing some things with transparency: I explain: I manipulate some tga files that have 4 channels, rgb and alpha. Using Photoshop I'm ...
2
votes
2answers
850 views

How can I make a transparent cursor, and why does my Photoshop document have grid-lines on it?

I am trying to make a cursor with transparency using Photoshop CS5. When I make a .cur file from an image, I can see extra white space with the icon Something like this: I don't want the outer ...
3
votes
1answer
594 views

How do I determine what the image file format and resolution should be when scanning?

I understand the title to my question is very vague, but bare with me, I think I can make it a bit more precise in the question body. Recently my mother was asking for help with digitizing a large ...
6
votes
4answers
16k views

How to paste PNGs keeping the original transparency

Is there a way to directly paste PNG images in Photoshop and keep their transparency? I don't mean dragging them, but directly pasting from, for example, a browser. Transparency is always replaced by ...
3
votes
1answer
423 views

Printing an 8ft X 4ft design

So I have a friend who wants a vector image done for a wall print in their karate studio. But they want the image 8 ft high and 5ft long. Do you actually make a file that big then draw the design then ...
4
votes
2answers
778 views

Delivering a graphic design to a customer

I work as a photographer but recently I've been working on stretching my skills and took on a project to create a graphic design for a non-profit. The designs are complete and the organization was ...
2
votes
4answers
3k views

What is the best way to create light-weight PNG images?

I want to create light weight PNG images with good quality. Can anyone suggest the best way...Note: Need to use these PNG images in android app designing.
1
vote
3answers
29k views

How to change the file size of images without losing photo quality using Photoshop?

I have a set of images of up to 20mb each, and I want to reduce the file size without losing quality. How can I do it?
1
vote
4answers
4k views

How can I convert this .eps file to pdf / something more widely used?

I've gotten errors when I attempted to use Inkscape, GIMP, and Uniconverter because I don't have access to the proprietary software. Perhaps the file corrupt? Thanks for any advice, this is a ...