optimizilla

The online image optimizer uses the best optimization and compression algorithms to achieve the smallest JPEG and PNG images while ensuring the best quality/size ratio.

Picture editing assistant

A picture website, the whole website is a tool related to pictures, which is usually used to edit pictures, and I almost forgot that it can compress pictures. Support batch compression!

TinyPNG

PNG and JPG formats are supported, and up to Z0 pictures can be uploaded at a time. A photo needs