Steps to use PDF Compress & Viewer: - Select PDF files option. - Select one or more PDF files. - Click on the tick mark option on the top right corner. - Remove any PDF file if required. - Select how much percent of PDF size you want to reduce. The higher the percentage will more file size reduce. - Click on the Compress button for compress file. - In Compressed PDF option you get all your compressed files. - In PDF files listing click on three dots for show PDF details. - Click on Open button