A-PDF Scan Optimizer - Version 3.5 A-PDF Scan Optimizer provides a quick way to batch optimize your scanned PDF documents, A-PDF Scan Optimizer can correct the skew scanned image within PDF; convert the scanned image to Black/White or gray in Acrobat PDF; downsample the image in PDF and delete unused blank page in PDF directly. A-PDF Scan Optimizer's features include processing a batch of PDF file, even working with password protected files; filtering small images which may be a logo or else; reduce PDF file size; and dealing out some page only to speed the processing, from your PDF files, it makes the most compact, fast web view PDF files on the fly.A-PDF Scan Optimizer does NOT require Adobe Acrobat, and produces documents compatible with Adobe Acrobat Reader Version 5 and above.