XiXi PDF to Text is a 100% freeware that used to quickly convert PDF documents to plain text files in batch mode. It works without Adobe Acrobat or Adobe Reader, and has friendly interface, small size, accurate and fast conversion ability. It retains the original text, format and layout (as much as possible) in the output text files. Also, XiXi PDF to Text supports converting the PDF files that have some restrictions, such as "Content Copying", "Saving as Text", "Page Extraction" are not allowed. If you want to let your documents management system supports PDF search or want to extract the text from PDF files, it might be useful.
.NET Framework 2.0 or later