PNG-
PNG stands for Portable Network Graphics, it is designed to imporve and replace GIF. PNG supports grey-scale, RGB (red, green and blue) and RGBA (red, green, blue and alpha. It was made to transfer images from the internet but not for prinitng graphics.
JPEG-
JPEG stands for Joint Photographic Experts Group. It is designed as a method of lossy compression for photographic images; either full-colour or grey-scale digital image (mostly on natural ‘real-scenes’ of the world, as it does not work very well on cartoons or drawings)
Lossy: some original image information is lost and cannot be restored
GIF-
GIF stands for Graphics Interchange Format. It supports up to 8 bits per pixel and for animation. The format is unsuitable to change into colour photographs (images with continuous color), however it is suitable for simpler images such as graphics or logos (images with solid area of colours).
All these formats are good for their purposes, so if i wanted to have animation, GIF would be my best option, however, if i wanted a smaller image size, JPEG would be best.
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