All2TXT can extract simple-text from pdf, doc, rtf, ppt, xls, 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. Fully independent; not dependent on any third party software
3. Supports drag files and folders from your desktop
4. Can add the files in subfolders to convert
5. Cool interface, easy-to-use
6. With command line version

The license of this software is Free Trial Software, the price is $29.00, you can free download and get a free trial.