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JPG Graphics File Format extension : .jpg vs .jpeg vs .gif vs .png

Digital camera file formats - Most digital cameras record files in JPEG format - (they have a .jpg filename extension), but they use a special variation of JPEG called Exif. This is a standard that allows extra information to be recorded by the camera into the image file.

FAQ: Converting GIF or JPG to PNG - The GIF format for images is very popular. Nearly every graphics program supports it. However, there are several problems with GIF (Gif rhymes with Jiffy peanut butter.) GIF was born in the days of very slow modems. To make the images smaller, GIF allowed only 256 colors. This is okay for icons. But GIF is useless for photos. When you convert a photograph into a GIF, quite a bit of the image is lost.

IMG Format Comparison - comparisons between gif and jpeg

Graphic Designers from our Community

JPEG FAQ - Huge resource for your jpeg questions.

JPEG - Welcome to the official site of the Joint Photographic Experts Group, JPEG, and Joint Bi-level Image experts Group, JBIG. As well as our members' site, it offers other useful sources of information about the JPEG and JBIG committees and their standards.

JPEG graphics - The other graphic file format commonly used on the Web to minimize graphics file sizes is the Joint Photographic Experts Group (JPEG) compression scheme.

FARP - Saving pictures, file formats ... explains about gif and jpeg compression

File Types and Optimization - This lesson is designed to help you understand file types and file optimization. In this lesson, you will learn about GIF, JPG and PNG file formats. This lesson uses Adobe's "Save for Web" feature, located in Illustrator and Photoshop. Adobe ImageReady offers the same features, but is set up a little differently. It is recommended that you attend the class lectures to get the full understanding of this lesson.

For Position Only: Your Web Graphics Are About to Change - With the new JPEG 2000 standard in the wings, imaging on the Web will change -- for the better. Get ready for the next generation of image compression.

GIF, JPEG or PNG? - Here are some file formats you may have seen before. They have one thing in common: they don't belong on the Web. Before we go into these "leftover" formats, let's summarize why the three formats we've talked about so far are good to use on the Web.

Image File Formats - Choosing the right file format to save your images in is of vital importance. There are three image formats in constant use on the net — GIF, JPG and PNG. Each is suited to a specific type of image, and matching your image to the correct format should result in a small, fast-loading graphic. Saving and exporting into these formats will require a decent image editor.

JPEG - The official JPEG home page.

JPG vs GIF - JPG vs GIF

JPEG JFIF - About the jpeg

JPEG2000: the Killer Image File Format for Lossless Storage - Digital cameras continue to feature larger image sensors, higher resolutions, and a variety of schemes for improving color fidelity and reducing the presence of image noise (think of image noise as digital grain). All of this adds up to two things that will ultimately affect the growth and progress of digital photography:

JPEG2000 comparison - In response to the recent publicity about the supposedly superior compression performance of JPEG2000, I decided to do a little testing myself. This page shows why I'm not impressed.

JPEG Tutorial! - This page presents a brief description of how JPEG compresses images. JPEG, unlike other formats like PPM, PGM, and GIF, is a lossy compression technique; this means visual information is lost permanently. The key to making JPEG work is choosing what data to throw away.

JPG vs. GIF vs. PNG - Following are the most commonly used graphics file formats for putting graphics on the World Wide Web and how each differs from the others.

JPEG Myths and Facts - Don't believe everything you hear about JPEGs. Get the facts here. With the explosion of scanners, digital cameras and the World Wide Web, the JPEG image format has quickly become the most widely used digital image format. It's also the most misunderstood. Here's a collection of some common misconceptions and facts about JPEG images.

JPEG2000 and JPF Files: What, When, and How - JPG isn’t cutting it any more, so what is a JPF file and how do you use it?

JPEG Compression for the Web - This tutorial has been designed to help acquaint one with the idea of proper compression for images and more ideal size for display on web pages.

GIF vs. JPG -Which Is Best?

The Graphics File Format Page These pages contain specifications for various graphics file formats; along with a number of relevant graphics utilities, information, and URLs.

IMG Format Comparison - comparisons between gif and jpeg

Preparing Graphics for the Web - An article on how to use gifs and jpegs properly for the web.

Photoshop 5.5 - Optimizing Web Graphics

The Pitfalls of JPEG Compression - Understanding JPEG compression will help you deal with it.

Should You Capture Digital Photos In Raw or JPEG? - RAW or JPG for Digital Photo Capture? - There is so much misinformation about RAW and JPG that even many professional photographers and graphics designers are confused. I won't name names, but there are several so-called "experts" who spout misinformation on the web and at seminars, and they are sponsored by brand name companies.

Smaller JPEG Files - JPEG is rather more complicated than GIF, and it's useful to have a basic idea of how it works to get the best out of it.

Smooth, Tight Images For The Web in Photoshop - There are any number of methods you can use to optimize and deploy nice smooth images as gif files to the Web. Usually it's much better however to "pixelsmith" the image by hand for the best results. After we took a look at the of this reader's problem, we knew this was a case for some rather serious pixelsmithing...

Web Style Graphics - The JPEG

xat.com software for faster web sites, JPEG, Image Optimizer - JPEG Optimizer and Image Optimizer are popular software packages for image compression and web site acceleration.