I want to view the contents of a PDF file - but not so much in the sense of rendering the pages in it. Rather, I want to see the hierarchy of objects, the PDF-structural tags and fields like the encoding, the "Length X Y Z" fields, font descriptors, etc. etc. It would be even better if I could see both the rendered content and the unrendered structure, perhaps with some highlighting of what a piece of the PDF structure has an effect on.
- Runs on Linux
- Supports recent versions of the PDF standard
- Actively maintained
- Non resoure-heavy
- Responds quickly