The following review written by one of the Software Informer contributors applies to version 6.2
Universal Document Converter is a handy tool that allows you to convert any document into PDF or into various image file formats. This app works by installing a virtual printer on you system, so that any document or file that you can send to your printer can also be converted into any of the supported formats very easily.
The exact output formats supported by the program are PDF, JPEG, TIFF, PNG, GIF, PCX, DCX, and BMP.
To use the program, you just need to open your source document and print it selecting "Universal Document Converter" as the printer. You can also open the "printer preferences" dialog to configure all the output settings of your resulting documents from there. This dialog offers you several tabs, such as page setup, file format, adjustments, watermark, or output location. Every tab, in turn, allows you to configure different parameters, such as the page size and orientation, the output resolution, whether to create a single output file for each source page or a multipage document, the output borders, and many more.
But Universal Document Converter also offers you more advanced features. For example, you can create password-protected PDF files, searchable or bitmapped PDF files, or you can even combine several source documents into a single multipage output. Another plus for Universal Document Converter is that it allows you to apply both text and image watermarks to your resulting documents. Finally, you can set an automatic format for your output filenames and select a post-processing action to be performed automatically by the program, such as opening the resulting file or running a specific application with parameters.
In short, Universal Document Converter is a powerful tool that allows you to convert any printable document into PDF or into some graphic formats with many configurable parameters. However, I would say this program is a bit pricey as compared to other similar tools around.