Implementation of PDF to picture in Java

Pdf to picture can be realized in Java through the rack package provided by a third party. Here are several common ones that can be selected and used according to their own needs.

1、 Icepdf. There are paid version and open source version, which are the most recommended of several methods. The effect of conversion is quite good. I can recognize the Chinese in the document at hand. That is, the spacing of some words may be a little wide after conversion. Because there is a charge for font support, the converted images will have an official watermark. The method of de watermarking can be seen in another article: icepdf de watermarking method