MuPDF
From MobileRead
MuPDF is a lightweight PDF viewer and parser/rendering library. It supports PDF 1.7, but not form filling and JavaScript. A number of functions are only available via keystrokes. It is free, open-source software.
The software consist of four utilities:
- mupdf is the viewer
- pdfclean pretty prints and rewrites the contents of a PDF file
- pdfdraw converts a PDF document to image files
- pdfshow shows objects and streams that make up a PDF document