GIF, JPEG/JPG OR PNG
WHICH FILE FORMAT IS BEST?
Every type of image format has its own advantages and disadvantages.
Great for images when you need to keep the size smallGood option for photographsBad for logos, line art, and wide areas of flat color
Great for animated effectsNice option for clip art, flat graphics, and images that use minimal colors and precise linesGood option for simple logos with blocks of colors
LosslessExcellent choice when transparency is a must. Good option for logos and line art. Not supported everywhere.