There are several file types available for digital graphics. Each of these types has a different way of compressing the graphical data.
Tiff type files are non-lossy, they do not compress the files in any drastic. File compression that is lossy causes information to be lost, and non-lossy file compression does not.
For graphics where you have many colors and shades, try using jpegs. When .jpg files are compressed they save space by blending nearby colors together. Highly compressed jpg files often look blurry.
When a file is saved as a gif, the image is compressed by limiting the color palette that it uses. A highly compressed gif file will often look “pixelated”. By compressing a gif too much you run the risk of losing valuable colors. Continue reading