Here is simple, free tool for converting PDF file to text document. A-PDF Text Extractor which is designed to extract text from Adobe PDF files for use in other applications.
However, to extract text from a PDF file, the PDF file must meet the following conditions: The file is formatted to contain text and not just images and the file contains no security restrictions which disable text selecting.
Using this program is simple. Download and install it. Run the application and open a PDF file to extract. There are three mode of output text: In PDF Order, Smart Rearrange and With Position. Select any of this from the ‘Option’ menu and click ‘Extract text’ button to extract. Of course, you need to specify a destination folder when asking. Conversion is also reasonably fast. Supports Windows XP and Vista[Via]