How to format images

Users questions: I often shot with QQ, but by the image format is not what I wanted, I would like to know how to change the format of the picture.
Experts answer: is best in your drawing board that comes with the computer system to open the picture you want to change the format to open, then click the (file) word, then click the Save As format you choose, there may , And want to know more look at the picture below it, Figure screen.width * 0.35) this.width = screen.width * 0.40 "*
  • This information provided by the users.Thanks!