A-PDF to Black/White 2.9 A-PDF To Black/White is an utility designed to convert the images to monochrome or grayscale in Acrobat PDF documents directly. It detects color images and make them to bw or gray automatically, then reduces your PDF files size.
A-PDF Deskew 3.1 A-PDF Deskew provides a quick way to correct the skew scanned images in Acrobat PDF documents or TIFF files directly. It detects tilt images and straightens them automatically.
STDU Viewer - an advanced PDF, DjVu and multi-page TIFF viewer If you occupation involves a lot of reading (especially of technical texts), you may have noticed that all the documents usually come in one of the following formats: PDF, DjVu and multipage TIFF. Unfortunately, these are three independent file formats that require separate viewers, which creates a certain problem. If you need an all-in-one viewer that