convert jpg to pdf in batches

Everyone will store a lot of pictures in the computer, and these pictures are actually easy to be damaged. In order to prevent the pictures from being well preserved and not to occupy the memory of the computer, we usually convert these pictures into pdf format. And this can not only keep the file w

With the progress of society and the development of science and technology, more and more people have invested in the Internet industry. The purpose of the popularization of the Internet is to use it and facilitate our lives. However, with the continuous update of network technology, the correspondi