Depending on the final use of graphic images changes the format another factor delivery on the network When graphic images are used on the Internet it must be downloaded from the site server in this way the viewer can see the content If the user has an Internet connection it is graphical Images may take some time to download compared to 3G or high speed broadband Like me They say some formats all of them are different in size the larger file size will take longer but the speed may be different depending on what type of Internet connection is used Formats best for online use PNG JPEG and GIF In JPEG format it is good has a small file size but some quality can be done in this format the PNG format is Again a small file size but this format allows you to use transparency in graphics unlike other formats and finally GIF is good because the file is very small and the download speed is The graphics are very fast however as I said you are limited to a small range of colors Magazines Graphic images used in A4 and A5 magazines should be in stock The correct format is for the viewer to see the photos beautiful detail A good format for this will be TIFF it The format is very suitable for printing TIFF is good A graphics based on pixels may also have large files not qualitative unlike JPEG or GIFF format where file is small but you lose quality graphics and using TIFF you can have layers and alpha transparency Billboards Accumulation Ultra Large Image