I have a feeling that I just had a milion dollar idea, a PDF viewer which allows viewing multiple PDF files at the same time, side by side. Like this:

enter image description here

Or that thing already exist? I mean one app (just one instance), so that I can select multiple PDFs from the file manager, then right click and I should see something like the one shown above.

The files should scroll independently.

  • Synchronizing both with each other is a big issue in that case (one or more scrollbars (?). It is currently already possible by just starting multiple readers and align them. – albert Jun 29 '18 at 15:43
  • Question edited to address the sync issue. I was thinking about one scroll per file. Start multiple readers and align them will take much more time. – KcFnMi Jun 29 '18 at 15:52
  • Independent scrolling would mean that the viewer has to have some knowledge about synchronization points (or some intelligent pattern matching has to take place) as e.g. in the second file there could be new sections and old sections could be removed. – albert Jun 29 '18 at 16:09
  • What OS should it run on? Any budget you'd be willing to spend if needed? – Izzy Jun 29 '18 at 17:26
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    Vivaldi Browser can open PDF files with Chromium builtin PDF reader, and can tile multiple tabs side by side for display – Duarte Farrajota Ramos Jun 30 '18 at 1:59

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