Portable PDF-XChange Viewer is a program that allows you to view and edit PDF documents. Text annotations and comments can be added to PDFs. Your printed text can also be exported to PDF files via BMP, TIFF, PNG and JPEG formats. The program also blocks PDF's scripting and execute malicious script. The application is also useful for translating text, highlight forms, sending documents via email, measuring perimeter and area of documents, binding to grids and guides, and performing the smoothing process. You are welcome to bookmark work. Included in the package are the plug-ins.Both IE and Firefox include the features. Text recognition is available on scanned PDFs if it is enabled.