1, first enter official website, our PDF converter.

2. Secondly, after the download and installation is completed, open the software and select the electronic textbook pdf of Compulsory Chemistry 2 for senior high school to download.

3. Finally, click or drag the PDF file batch to be converted, or click Add Folder at the bottom of the interface. You can select the original file directory or custom directory as the output directory, and then click Start Conversion to complete the conversion.