It is common that there is a strict limit on file size when submitting a PDF document to government agencies. Therefore, the large PDF file needs to be compressed. PDF Reader Pro is such a right tool that helps you fast compress a PDF or batch compress PDFs. Follow the steps to compress PDFs on iOS.
1. Open the file you want to compress and go to the reading page, click More at the top right corner;
2. Tap Compress File Size under Action in the menu;
3. Choose from Large File Size, Medium File Size, Small File Size, Minimum File Size, or Others(customize size);
4. Click Start to save it as a new file.