XiXi PDF to Text is a 100% freeware that used to convert PDF documents to plain text files in batch. 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, it supports converting the PDF that have some restrictions, such as Content Copying and Saving as Text are unallowable.