Multi-format desktop software to view, compare, print - PDF, TIFF, CSF, HPGL, AutoCAD, MS Office formats (additional fee), and much more. Save files to PDF or secure CSF. Compare drawing and image files dynamically using the unique slider flip, or by showing highlighted differences, or compare side-by-side. Usually viewers are either optimized for document viewing, image viewing or CAD viewing. Markup and redact for additional fee.