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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32
votes
13answers
1k views

What web graphics formats to use?

Web sites can contain JPEG, GIF,PNG, SVG format graphics. Which ones should be used, and when?
14
votes
9answers
70k views

Facebook: Ways to preserve image quality of uploaded images?

After uploading an image, Facebook converts it to a new image. Their conversion process introduces artifacts and mottling to the magenta-ish parts of the image. Original image: Facebook's ...
12
votes
4answers
12k views

What's the difference between vector graphics and raster graphics?

Also, when would you use one vs the other?
12
votes
9answers
4k views

What programs can be used to make animations?

I am specifically interested in software that can be used to combine existing sets of images (frames in the animation) into an animation. Having the ability to add transitions/effects between the ...
9
votes
3answers
7k views

What formats supporting animation are suitable for the web?

What formats supporting animation are suitable for the web and what are the pros and cons of each.
9
votes
4answers
164 views

How to get images' filesizes as low as possible?

I usually use photoshop's save for web and devices, but it has no options for compressing pngs and I also wonder if there are superior compression algorithms available?
8
votes
2answers
306 views

Range of icon sizes and formats on various operating systems

I would like to know the range of icon sizes allowed in different OSes (such as Ubuntu, OSX) and the default format they use. For example, windows allows icon sizes from 16x16 to 256x256 and uses a ...
7
votes
5answers
2k views

JPEG vs EPS in a workflow

The work flow is this: JPEG orignal-> Edited in Photoshop-> EPS-> Imported into a InDesign document-> Distilled to PDF-> Sent to printer My question is it necessary to save it as the EPS ...
7
votes
3answers
546 views

What are some common open (royalty-free) image formats?

Which common image formats are open or royalty-free?
7
votes
3answers
1k views

How do I easily convert a fuzzy pixel art image back into pixels?

I want to convert a fuzzy pixel art image into a crisp actually-pixel-art pixel art image. An example of this is taking a still from say a youtube clip of a pixel-art animation, and recreating the ...
7
votes
3answers
6k views

Can I create a PNG from InDesign?

I usually have to export my InDesign file into an eps, then convert it to PNG in illustrator. Does anyone know an easier way?
6
votes
4answers
8k 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 ...
5
votes
2answers
1k 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 ...
5
votes
1answer
137 views

What are the rules for creating optimized image formats?

When creating images for games on mobile devices the smaller the image is the better. What are the general rules for creating images and making sure they still look good in 16 bit or smaller. For ...
5
votes
2answers
759 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 ...
4
votes
4answers
1k views

PNG vs GIF for 1 bit transparency

Is there any reason for using GIF instead of PNG when the image requires only 1 bit transparency (either on or off) and of course no animation is required? thanks
4
votes
2answers
555 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 ...
4
votes
2answers
1k 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, ...
3
votes
3answers
6k 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 ...
3
votes
3answers
6k views

What are lossless image format?

What are lossless image format?
3
votes
1answer
595 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 1–100 that gives optimum file-size. Later on, I sometimes take these images and crop them a little more (not ...
3
votes
1answer
2k views

How to extend this background image?

I need to extend only the second part of this image so that it can cover a larger area of the webpage. Can someone please show me how I can do this? I want that fade to expand up to 800px down:
3
votes
1answer
340 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 ...
3
votes
1answer
3k 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 ...
3
votes
2answers
2k 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 ...
3
votes
1answer
303 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 ...
3
votes
2answers
166 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
5answers
213 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 ...
2
votes
4answers
2k 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.
2
votes
5answers
554 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 ...
2
votes
2answers
2k 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 ...
2
votes
3answers
1k views

PSD format or cut up graphics?

I have asked a design company for a quote for a website design. They have asked me if I would like the graphics in PSD format or cut up graphics. I am assuming that the PSD format is an image of a ...
2
votes
3answers
6k views

Photoshop saves PNGs with less quality

I have a 2000x1500 image created with Photoshop CS6 Extended. When I save images in different formats for re-use in other programs, e.g. PNG, the image quality will suffer. I have nice basic gradiants ...
2
votes
2answers
112 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
1k 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 ...
2
votes
2answers
672 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 ...
2
votes
1answer
219 views

Planning to use different size images across different devices

The current framework i use to design webpages currently doesnt do anything to optimize images across different devices. As I see it, their are four types: mobile, tablet, desktop pc and large desktop ...
2
votes
4answers
10k views

Change the color of an image in a website

I have this image in my website, is a png: I want to know if there is any way with HTML5, javascript or css to change the color of the image. Or at least make the image change to white (invert ...
2
votes
1answer
77 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
1k views

Recommended format for a large stop motion animation on website?

I have a stop motion animation of about 35 seconds in duration (~150 frames). The resolution is quite large at around 900px x 450px. What is the best format to play this looping on my website? I ...
1
vote
3answers
13k 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
4answers
2k 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 ...
1
vote
2answers
332 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 ...
1
vote
3answers
17k 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
1answer
7k 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 ...
1
vote
2answers
81 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 ...
1
vote
1answer
871 views

Resize a collection of different sized png images to the same dimensions

I have a collection of a few hundred png images, each are different dimensions. I want to be able to resize them all to the same dimensions, preferably keeping the aspect ratio intact. Is it ...
1
vote
1answer
38 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
134 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
267 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 ...