.PNG - Internet Definition: PNG stands for “Portable Graphics Format”. It is the most frequently used uncompressed raster image format on the internet. This lossless data compression format was created to replace the Graphics Interchange Format (GIF). PNG file format is an open format with no copyright limitations.Basically ---- .png is transparent background background.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.GIF - This can be transparent background, as well as the format
animations are saved it. You must make sure your 'gif optimization' settings are
correct for your beautiful graphics to not be distorted in any way.
Internet Definition: GIF - Image File Format The graphics interchange format (GIF) is a type of bitmap image format introduced by CompuServe back in 1987 that has since gained wide support and use on the World Wide Web. The format supports up to 8 bits per pixel, allowing an image to have access to a 255-color palette.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~.jpg format (this is a smaller file size that .png, saved with a white background
if your trying to save in transparent background this will not be your ticket)
Internet Definition - JPG is a digital image format which contains compressed image data. With a 10:1 compression ratio JPG images are very compact. JPG format contains important image details. This format is the most popular image format for sharing photos and other images on the internet and between Mobile and PC users.
****************************************Note on gif format.
Opening a .gif in your graphics program
can have a white or a black background. This does not mean it
is not transparent in the background. This does not mean that
is how it will look on a webpage...