Developer's description:Compress PDF has the capability to minimize file size of PDF documents, especially useful for those PDF files with many graphics and photos. You can send smaller and faster emails, save your storage space, decrease file upload or download times after reducing file size of PDF documents. Features: Extremely simple Simply drag and drop the PDF files into the app to get started, compression will begin immediately. You can easily send PDF as attachment directly after compression. Rich choices of compression options: It provides 10 preset options to meet your different demands. You can choose from lossy image quality to minimal file size as you wish. Balance between image quality and storage size Compress PDF reduces file size by compressing the images within PDF document. It uses JPEG, which is a commonly used method of lossy compression for image. So you can get high quality but small PDF file after compression. For some PDF files, file size can be reduced by 90%.