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Quickly open two instances of the same PDF in Preview Apps
Sometimes you need to have two views of the same PDF document (e.g. to have a quick access to the list of references in a thesis without the need to scroll to it and then back to the text). However, Preview does not allow a file to be opened twice.

The quickest solution would be to hit Cmd-P and select 'Open PDF in Preview.' You'll have a temporary copy of your PDF where you can select the second view and have both views handy for easy switching.

When you're done, just hit Cancel in the temporary document.

[crarko adds: I tested this, and it works as described. A nice workaround; I looked and didn't find any duplicates of the hint.]
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Quickly open two instances of the same PDF in Preview | 7 comments | Create New Account
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Quickly open two instances of the same PDF in Preview
Authored by: kikan on May 23, '11 09:15:41AM

I usually show the drawer (Cmd-shift-D) and drop again the PDF (or any other) in the drawer. It's quite convenient to print 4 docs on the same page for example.



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Quickly open two instances of the same PDF in Preview
Authored by: Mac Berry on May 23, '11 09:20:10AM

Good hint!

Another way is to drag the original, already open, pdf to the sidebar (but not into the open document: below it), then right click on it and choose "open in New Window".

Mark



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Quickly open two instances of the same PDF in Preview
Authored by: johnbdh on May 23, '11 10:05:23AM

Another way is to open the side bar if it is not already open, click anywhere in the sidebar then press Command-A, Command-C, Command-N.

Using the same idea you can manually select specific pages and create a new PDF consisting of only those pages or create a PDF from the results of a find.

One caveat is that this only works with the sidebar in Contact Sheet or Thumbnails mode.

John



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Skim.app
Authored by: postglock on May 23, '11 03:51:23PM

This is a nice hint. Also, Skim.app is a pdf reader supposedly optimised for reading journal articles and theses. In particular, it allows split screen and "snapshots", which are essentially new windows of the same document.
The only problem is that you cannot select and copy text from either the split screen window or the snapshots, which make further searching for references quite difficult. The devs are also fairly resistant to increasing this functionality (for quite baffling reasons, I think).



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Quickly open two instances of the same PDF in Preview
Authored by: dandj on May 23, '11 04:06:47PM

Good idea. You could also open one version in Preview and another in Skim, and if you really need to, yet another in Safari.

Edited on May 23, '11 04:10:43PM by dandj



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Quickly open two instances of the same PDF in Preview
Authored by: scottbayes on May 23, '11 06:31:00PM

An alternative database manager/browser is the FireFox plug-in (or maybe extension, don't know FF terminology very well) SQLite Manager, which appears on the Tools menu after installation.

Works well with the database under discussion, and with the iPhoto '09 databases, though I've only browsed, never modified, since I'm rather inexpert; I usually work on copies, Just In Case.

Not sure I can cite any advantages to it, but it is an alternative for the rebels among us.



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Quickly open two instances of the same PDF in Preview
Authored by: jantonc on May 24, '11 06:37:47AM

Make sure the sidebar is open. Drag the icon in the title bar of the viewer into the sidebar.



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