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DESCRIPTION
Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file.

Skim includes many features and has a great user interface.

WHAT'S NEW
Version 1.3.2:
  • Fix offset of color swatches in notes table.
  • Fix mixup of cursor images.
  • Update colors for history highlighting when key state changes.
  • Fix adding favorite colors by option-drop.
  • Reenable tool-tip preview on links and anchored notes.
  • Fix initial opening of table of contents pane.
  • Coerce initial scripting properties passed in with "make" command.
  • Workaround for memory problems with full screen fade out on some hardware.
  • Some fixes to AppleScript support.
  • Allow saving notes to locked and read-only files when permission is granted.
  • Fix PDFSync support.
REQUIREMENTS
Mac OS X 10.5 or later.

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SCREENSHOT

Developer:C. Hofman, A. Maxwell, and M. McCracken
Downloads:72,828
  - Version d/l:2,437
Business:Presentation Tools
License:Free
Date:28 Oct 2009
Platform:PPC/Intel
OTHER PEOPLE SUGGEST
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Skim User Reviews (47 posts)Write A Review
sort: smiles | time
May 6 2009
*****

DANA SUTTON  I rarely criticize the good people who manage the MU site, but here I have a bone to pick. Why describe Skim as a "PDF Reader and note-taker for scientific papers," which makes it sound like some kind of specialized app. meant only for four-eyed nerds in lab coats? This is a full-blown alternative to Adobe Acrobat, and i. m. h. o. it blows it away.  
(Version 1.2.2)

praisebury
+6
[ 3 Replies - Reply ]
Replies:
Jun 9 2009

MACBOOKPRO  The developer states it is "designed to help you read and annotate scientific papers in PDF." Why criticize MU? The developer does further state it can be used for reviewing any PDF file. But, because of your rating, I am going to check it out. Thanks.  
(Version 1.2.3)

praisebury
+3
Jun 9 2009

SAMPLER  MU uses the description that the developers use. See: http://sourceforge.net/projects/skim-app/

I, like you, also almost never open Adobe Reader now.   
(Version 1.2.3)

praisebury
+2
Jun 9 2009

HOFMAN  Saying that it's designed for scientific papers is not the same as saying that this is its only use, but the latter is what the MU summary implies. The description on the Skim website also clearly qualifies the statement. So either please add a qualification to the summary or, better, remove the "for scientific papers" entirely. Also, I can propose a change for everything on the listings on MU except for this summary. Why not?  
(Version 1.2.3)

praisebury
+3

Jun 27 2008
*****

SCRIVENS  Adobe reader has been a lumpy, slow and annoying app for years, and on the release of v8 I gave up and found an old copy of v5 on a software distribution disk and reinstalled that. What most people need for pdf files and similar is something akin to Preview with perhaps a few more bells and whistles, not an MS Office style app full of unneeded code. Skim is perfect - fast, small, looks good on screen and has the ability to handle notes and so on as well. It has become an essential part of my daily work, Adobe Reader has been deleted and I've changed the pdf default from Preview to Skim. A very elegant and stable app and potentially one of the great utilities for OSX. My thanks to the developers.  
(Version 1.1.6)

praisebury
+5
[ Reply ]
Nov 2 2008
*****

MIKELAMBRELLIS  This is an absolutely AWESOME program. It has literally gotten me through my Masters degree. The ability to annotate PDFs is just excellent.

You can add "sticky notes", use a highlighter, circle, box, underline - it is just fantastic.

I am giving it 5 stars overall, however I would like to respectfully request the following two features:

1. Is there some way to save the setting changes that I make? I like to turn off PDF Display|Continuous, and PDF Display|Page Break. I also like to set Zoom to Fit. However I find that I have to do this for every single PDF I read. Is there someway to make the settings changes "sticky"? The lack of this is holding me back from giving it 5 stars for "Ease of Use".

2. This is really a wish. I understand that this would be quite difficult. What I would like is a way to select a "block" of text so that I could select parts of a single column from a PDF page that is displaying multi-column text. Currently, Skim (and every other PDF viewer I've tried) selects whole lines when in text mode, and this is useless when the PDF has multi-column text.

However, these are very minor quibbles. I salute the developer. Thank you very much for a great product.  
(Version 1.1.13)

praisebury
+3
[ 3 Replies - Reply ]
Replies:
Nov 2 2008

MIKELAMBRELLIS  I just figured out how to do what I wanted in point 1 above. Open ~/Library/Preferences/net.sourceforge.skim-app.skim.plist in Property List Editor. Expand the Root node. Expand the SKDefaultPDFDisplaySettings node. Set autoScales to Yes (this achieves the automatic fitting to display). Set displayMode to 0 (this turns off Continuous display). Set displayPageBreaks to No.

Given that I have another year to go of study, this has just saved me several hundred mouseclicks.

It would still be nice if the app would remember its settings without having to edit the property list :-)  
(Version 1.1.13)

praisebury
+1
Nov 4 2008

HOFMAN  For 1, simply choose "Use Current view Settings as Default" from the PDF menu. For 2, you can block-select by holding the Option key (this is standard selection behavior in Cocoa apps). Also read the FAQ on the Skim wiki for more tips with regards to this.  
(Version 1.1.13)

praisebury
+3
Nov 4 2008

MIKELAMBRELLIS  Doh! :-)

Sorry for that. I honestly hadn't noticed about the save as default view. I also didn't know about the "option" select. Is that true for all apps? Cool.

Anyway, that eliminates the only objection I had. The app is now officially perfect. Well done!  
(Version 1.1.13)

praisebury
+3

Jan 7 2009
*****

TLOESCH  Skim IMHO is the best PDF viewer for Mac. It has a small footprint and is pretty fast. And it has outstanding capabilties to annotate the PDF documents, of course.

FEATURE REQUEST

However, I'd be glad to see one feature added: the ability to save information entered into PDF forms. As far as I know there is no (inexpensive) program for Mac OS that does the trick - for Windows there's Foxit Reader (Wouldn't mind to be corrected here.)

Anyway, thanks for that nice peace of software.

Best regards,

Ture  
(Version 1.2)

praisebury
+2
[ 2 Replies - Reply ]
Replies:
Feb 2 2009

ODYSSEUS  pdfpen is fairly inexpensive.  
(Version 1.2.1)

praisebury
0
Feb 2 2009

MSWFUJOWDFFYC  If you're looking to fill in PDF forms, even those that don't have form fields, check out FormulatePro http://code.google.com/p/formulatepro/. It works great, and it's free.  
(Version 1.2.1)

praisebury
+2

Oct 5 2008

KUSIKANKI  I've just downloaded skim and I think it has a great future! there are only two things that should be implemented so I definitely abandon annoying Adobe acrobat:

- the OCR Text Recognition (very very very useful with scanned documents)

- the ability of skim to recognize a two separate column document (most of the papers); when you select a few lines of the first column (for highlighting, for example) it spreads over the second one! and vice-versa... it's really annoying that selection, as if it was a one column only document...

However, great app!! congrats  
(Version 1.1.13)

praisebury
+2
[ 2 Replies - Reply ]
Replies:
Oct 25 2008

BRUMM  - the ability of skim to recognize a two separate column document (most of the papers); when you select a few lines of the first column (for highlighting, for example) it spreads over the second one! and vice-versa... it's really annoying that selection, as if it was a one column only document...

Yes, I agree, that would be very very useful!  
(Version 1.1.13)

praisebury
0
Nov 4 2008

HOFMAN  Acceptable (free) OCR is not possible for free and within the contraints of Apple's PDFKit, unfortunately. For column selections, use the Option key, read the FAQ on the wiki for more details. This is also behavior dictaed by Aple's PDFKit, so if you'd want this to improve more than what Skim is capable of, you should ask Apple.   
(Version 1.1.13)

praisebury
+3

Jul 29 2008
*****

PIXIEMOTION  The best PDF reader and notes taker I've ever tried.  
(Version 1.1.10)

praisebury
+2
[ Reply ]
Jul 28 2008
*****

FUNJOY  Powerful, fast free app that is regularly updated and strongly supported.  
(Version 1.1.10)

praisebury
+2
[ Reply ]
Apr 2 2008
*****

JAYCEE  I have just discovered Skim and I am currently running v24 (1.1.2) on a G4 1.33GHz 17 inch PowerBook running 10.5.2 in 2GB of RAM. The software is a delight to use and the developers are to be congratulated on producing a well written piece of software with a logical interface that is intuitive to understand. Skim is what Adobe Reader ought to have been. The annotation features are just great and Skim makes reading documents on screen, a pleasure. Skim contains an excellent feature set and it was a real bonus to discover that it can convert Postscript files to PDF format as well. My thanks to all on the development team.   
(Version 1.1.2)

praisebury
+2
[ Reply ]
Oct 16 2009

MERRIMAC  This is really good software, but I stopped using it because I discovered that annotations are stored as separate files, rather than modifications of the PDF itself, which makes it difficult to share annotations with, for instance, PC users. If I do my annotations in Preview, on the other hand, the annotations become part of the PDF file itself and are transferable. (In fact, Preview annotations can even be further edited on PCs with software such as PDF X-Change.)

I'm sharing this point just so that people can make informed software choices on the basis of their needs. If I am wrong about this point, or if there is a simple workaround, please correct me.  
(Version 1.3.1)

praisebury
+1
[ 2 Replies - Reply ]
Replies:
Oct 22 2009

HOFMAN  Skim allows you to save a copy of the PDF with the notes embedded inside the PDF, compatible with other programs, using the Export action.  
(Version 1.3.1)

praisebury
0
Oct 28 2009

STEVEN GOODHEART  HOFMAN, thanks for the great tip about how to export with comments embedded! Skim is awesome, and it's great to know one can do this when sharing with others.  
(Version 1.3.2)

praisebury
0

Jun 9 2009
*****

MACHSPEED5  I love this reader and its keyboard shortcuts that help me breeze through PDFs. I certainly use it for other things despite the developers intended "scientific papers" use.

I use the magnifying feature very often (double and tripe click) and its frustrating having to hold the mouse button down for extended periods of time. Could you guys build in a toggle somehow? Preferably with a keystroke shortcut. That would rock.

Another thing is that it zooms back out when i reach the edges of the screen while zoomed in. That must be an irritating bug i assume?

All-in-all, this is a great piece of software, and I heartily recommend it without pause.

5 out of 5 and many thanks.  
(Version 1.2.3)

praisebury
+1
[ Reply ]
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