超级快捷的pdf阅读工具mupdf的源码。不看不知道，看过你就才会知道世界太奇妙。原本以txpdf已经不错，但mupdf超出太多了。-Super fast read tool mupdf the source pdf. Enlightened, read you will know the world is too wonderful. Originally txpdf been good, but mupdf than too much.

AP PDF to IMAGE Batch Converter is a useful pdf tool, the converter produces fully functional IMAGE documents with text, pictures, graphics etc, using the original PDF document formatting.It does not need any software support, such as Adobe Acrobat,

OCR 自动识别工具，可识别各种图片，以及PDF，word，excel等常用软件-OCR automatic identification tool that can identify a variety of pictures, as well as PDF, word, excel and other commonly used software