Apple ended direct PostScript file support in macOS Sonoma, but you can still peek inside PDF files to see what they contain, by using PDF Debugger. PDF - the web's ubiquitous document format was ...

The open source e-book reader software ' Librum ' can read PDF and e-book files such as EPUB and MOBI data and share them as a bookshelf, as well as freely download over 70,000 free books and read ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...

PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...