One of the more confusing features of PDF apps, as none seems to work quite the same, and removing them isn’t quick or simple.
Adobe
Tables of Contents, Outline, Bookmarks: what’s the difference, and how portable are they in PDF?
Looking inside the Mueller report to see if any hidden content can be revealed. Includes a free Rich Text transcription of the report.
Prints from any one of its six views, two as PDF, and four different text views, each of which is generated in Light Mode to save the black toner.
Which major apps and parts of macOS are still 32-bit? How to check your own Mac, and how to work around problems in the future.
Save a Rich Text version of any PDF document, and explore its PDF code further, gaining clues as to potential problems and leakage, and more.
Now parses the PDF file itself and builds a structured summary of all the objects it contains. Ideal for locating orphaned and other leaking content.
Now saves windows sizes and positions, and settings for display of thumbnails and raw PDF source.
Restores XML metadata stored in text format, and now gives the option to view raw PDF source as well.
Looking at the source of a PDF file isn’t easy, as most of it is streams of binary data. Here’s an easier way, which also comes with a search feature.
