Pixelicious – working with Jpeg Files

Pixelicious – working with Jpeg Files

There are so many file formats out there. Jpeg files are among the most common for photography. Jpeg is a standardized file format created by  the Joint Photographic Expert Group (which is where it’s name comes from).  Jpeg was standardized in 1992, so it is a very mature standard, and probably could use a little updating, but part of the problem is that no one wants to deal with the problems that a new standard would cause. I guess we are stuck with it for a while. Everyone loves jpeg for its broad compatibility and ease of use. I have never been a big fan of jpeg files just because of the lossy compression. Lets get at the heart of the pros and cons of jpeg file format. Cons Lossy Compression Blocking artifacts at low bit rate No lossless capability Pros 24 bit color high details & high quality pictures reduced file size it is the most used graphic file format approved as standard in 1994 standard file format. broad range support From the pros/cons list, it may seem that the pros outweigh the cons, and for some uses that is true only because this is not currently a better alternative. The problem is that we are all very impatient. We will not wait for a file to load, so jpeg was created to share images on the web at an acceptable quality level while making the files very small. Every time a *.jpg file is saved it compresses the file to save space. When you save a file you are given a choice on how much compression to apply, the more...