Web-based image compression optimization tool (total 4 pieces)

In today's Web design, the application of pictures is essential, in order to better design the website effect, large volume pictures are more and more applied to the Web design, so, better optimize the picture file, reduce the volume of the picture file becomes very important, here for you to introduce several picture compression tools, are online applications, no need to install in the local, All you have to do is remember the web address.