All2TXT can extract simple-text from pdf, doc, ppt, xls, docx, pptx, xlsx, rtf, htm, hlp files, it does NOT need Adobe Acrobat, Microsoft Office software. It processes at very high speed and you can convert a lot of files once time!Its key features are listed below:1. Batch convert pdf, doc, ppt, xls, docx, pptx, xlsx, rtf, htm, hlp files to text files quickly 2. Supports drag files and folders from your desktop 3. Can add the files in subfolders to convert 4. Fully independent; not dependent on any third party software 5. Cool interface, easy to use 6. With command line version