Free but advanced Doc to PDF Converter provides you with a user-friendly interface to not only transfer a single source word file to PDF file and also convert a great number of word files to PDF files together within the very short time as you like. If you need to set more properties like Title Subject Author Keywords Security Watermark Viewer of PDF and Page Number to the targeted PDF in the converting process the Doc to PDF software can help this task for you in seconds. Free 3DPageFlip Doc to PDF Converter is the best solution for converting TXT or RTF to PDF with easy-to-use interface and simple steps which can be handled by anyone!Features:Three dynamic modes for users to chooseThe Batch Convert Mode is designed to turn a group of TXT and RTF documents to PDF. You can select all files or the entire entire folder to access batch convert. The Hot Directory Mode will guide you to define two folders for automatic conversion. One is to store input Doc files and the other is to produce PDF. Then the process will work by watching the folders. When someone drags TXT files into the input folder it will transfer to PDF automatically in the output folder. The Command Line Mode is also useful for someone who needs command line to batch convert TXT to PDF.Add metadata to output PDFThere are title subject author keywords for setting.Add security to Adobe PDFDefine a password to open the PDF document.Customized watermark supportedThe Free 3DPageFlip Doc to PDF Converter not only allows you to add default watermark but also enable you to create own watermark with text images. Lots of detailed properties are in the dialog box to define including watermark position font style color and so on!More other functions for Free 3DPageFlip Doc to PDF Converter.Set initial view user interface option and window option to output PDF.Define page number and page layout for PDF page.