Jun 10

1. Firstly, open one of the pdf files in Preview. Preview is the default application that a pdf will open into.  If you just double click on the pdf file it will open in Preview.

pdfmerge0.png

 

2. Now go to the menu at the top of the screen called ‘View’ and click on ‘Sidebar’ (or  ‘Show Sidebar’ if you have Snow Leopard). Alternatively, press Shift-Command-D to show the thumbnails. This will make a sidebar appear on the right side of the window with thumbnails of all the pdf pages in it. (See the pictures below).

pdfmerge2.png

In Leopard select ‘Sidebar’

In Snow Leopard and newer versions of Preview select ‘Sidebar’ then ‘Show Sidebar’

NOTE: In Mavericks (OSX 10.9) and newer you need to go to View:Thumbnails not View:Sidebar. For full Mavericks instructions see here.

 

3. You can now drag the second pdf file (from a folder or from your desktop) or even a page from within the second pdf file (from thumbnail view)  into this sidebar window, and it will be added to your pdf document as an additional page.

pdfmerge3.png

Drag the new pdf (here it is called page 3.pdf) from the desktop onto an existing thumbnail.

In older versions of Preview like Leopard, you get a red line to show you the pdf will not be merged. (See above. The red line disappears when you drag the icon over the existing page icon to show they will be merged.)

With Snow Leopard you get a blue bar to show they will not be merged.

In Lion no lines appear at all if they are not going to be merged.

In all cases you get the second grey border  to show they will merge.

 

The grey double border to show you the files will merge.

 

You can now save the new merged file – use ‘save as’ to save a new document with the merged fles, or you can use use ‘save’ to save over the existing document, adding the new pages to it.

pdfmerge4.png

 

That’s it!

A faster way for multiple files.

Here’s an alternate way suggested in the comments below. It’s much faster if you have multiple files to merge.

From “Finder”, select and click all the pdf’s you want to assemble.
This will open them all at once in “Preview”.

Pick the “File” dropdown menu .
Pick the “Print” dropdown menu.

In the lower left hand corner, click the arrow next to “PDF”.

Click “Save to PDF”.

This will save all the separate pdf files into one pdf document.

 

RELATED ARTICLES:

Here are some more Macintoshhowto articles to do with pdf documents:

Click here for how to reduce the file size of a pdf file.

Click here for how to edit a pdf document.

Click here to for how to make a pdf booklet.

 

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583 Responses to “How to merge two pdf files in OSX 10.6 – 10.11”

  1. CRSmith says:

    Glad I read this, as I didn’t know this was a feature in Preview. However, after many futile attempts, I discovered the following:

    If you are trying to merge a pdf into a second pdf, and THE SECOND PDF HAS MULTIPLE PAGES then you must expand the second (multipage) document so you can select where in the sequence of existing pages the first document will be placed. If you don’t expand it, Preview won’t allow you to merge. In the thumbnail view, click the up/left arrow to expand. Happy merging!

    Preview v5.0.3, OS 10.6.8

  2. Sonya Martin says:

    THANK YOU SO MUCH! Really helpful!

  3. NK says:

    After many tries, I finally figure this out using guidance under “An alternate way if you have lots of pdfs to merge.” Combined 5 scanned documents into one pdf from jpeg’s and pdfs.

    thanks!

  4. Scott says:

    I can’t get the Alternative Method to work as described at the end of the article, but there’s an easy workaround that might work in any version of Preview:
    Instead of opening the files from the Finder, do this:
    1. set Preview – Preferences – General to Open all files in one window
    2. open all your pdf files from Preview
    3. set to Thumbnail view
    4. select all the thumbnails
    5. File, Print…, PDF, Save as PDF, (give it a new name)
    6. open the new pdf and edit page order and rotation
    7. Save

  5. Scott says:

    Append to my previous comment…
    8. if your Preview Preferences were not already set to Open all files in one window, remember to set this back if you normally prefer separate windows (it’s a lot easier for merging selected pages from two pdf files).

  6. Henning says:

    Awesome, thank you!

  7. John says:

    This is the closest I have been to actually getting my multiple PDF files into one large file after days of trying to figure it out, but when I go to print and then go to the pdf button at the bottom left the “save to pdf” option is not clickable. Help please!

  8. Lynn says:

    Thanks so much! This was so helpful and it worked!!

  9. Anne says:

    Thank you so much! Saved me tons of $’s.

  10. Dan says:

    Thank you very much. Really helped.

  11. Eny Osung says:

    Thanks very much, you are an absolute star! The Alternative method worked for me after several failed tries due to instructions from other people.

    Can’t thank you enough!

  12. Lea says:

    None of this works for me! Help! I’m using OSX 10.6.8

    • Lea says:

      I’ve figured it out. I’m using the Alternative Method. You need to select ‘Print Selected Items’ not just ‘Print’. Worked!

  13. Caitlin says:

    Thank you so much! I could NOT figure out what I was doing wrong until I read this article.

  14. Thomas says:

    Drag and Drop with new OS El Capitan. I
    1/ open preview with first pdf document.
    2/ open finder,
    3/ click and drag the 2nd document Over the thumbnail area, on top of the last page of the first document (or current document).
    4/ the last page will show an + sign (in Green)
    5/ Drop 2nd document. Done3

  15. Kelli says:

    Help i have spent 6 hrs with apple senior specialists . I created 50 individual interactive pages in Pages. I exported each page individually as a pdf. The individual pages with embedded hyperlinks to you tube videos work great. I then proceeded to merge all the PDFS into one pdf document by opening thumbnail and dragging thumbnails of other pages underneath the page one thumbnail. when i export out it saves as one page . Then i tried going to file print choose export as pdf and all the live links disappear. I am currently on yosemite version 10.10.5 I used this same process exactly one year ago with mavericks and it worked . I can export out single pages and the links stay. Ultimate goal is to have a interactive pdf in my ibooks / on iPad . All senior mac support can’t figure out and they are taking to mac engineers . Any help would be grateful. Thanks

    • Wayne says:

      I would try and get hold of Adobe Acrobat Pro, it’s not cheap but maybe you have a friend with a copy and they could try do it for you. It has an option on the menu to ‘Combine files into a single PDF’. It would be worth checking whether that works!

      • Kelli says:

        Thanks Wayne . So it is not possible to do this any more ? I can combined the files its the links that do not open in the combined file pdf. I down loaded a program called pdf pronto for free it worked . Then i paid for the full version and was never sent a code for the full version . Hope it is not a scam .

      • Wayne says:

        Kelli you can still use Preview, but if it’s not working because your file is so complex and you need to get the job done I’d try Adobe Acrobat. Maybe get a friend who has Acrobat to do it for you!

  16. Qazi says:

    Thank you very much!!!!! Helped me out a lot.

  17. Marcelo Olivares says:

    Hi, i’ve got troubles using the “preview” App. i was trying to merge 3 pdf´s of 1 MB each. but using “preview” App, the resultant file reach a size of 12MB. so i´ve started to look into the AppStore and I found 3 options very interesting:
    1. “MergePDF”.
    2. “Gelatin”.
    3. “Merge-PDF”.
    The third one was the better: high quality images and low file size.
    Totally recommended…

  18. Will says:

    pure disaster to merge pdf in apple.

  19. andy kearns says:

    Please tell me why this does not work for me on 10.6.8. is it because it is opened by adobe reader? if so, what do i do please? thanks, andy.

    • Wayne says:

      Yes you need to open it in ‘Preview’ not “adobe Acrobat Reader’. Just right click the file (option click) and select ‘Open With Preview’.

  20. Corey says:

    Thank you!! The two document thing was driving me crazy.

  21. andy kearns says:

    I can’t thank you enough! Brilliant, thanks again, Wayne.

  22. Jordan says:

    Thank You!!

  23. Silviana says:

    Thanks a lot!!! I tried countless times, succeed once and have no idea how I did it

  24. Dave P. says:

    Using Preview version 5.0.3 (504.1) and MAC OS 10.6.8
    After some frustration, I found that when using the print as .pdf method, it was critical to print using “selected pages”

  25. Van says:

    Thanks so much. Your explanation is brilliant. Easy to follow. Better than apple support itself. :)

  26. Deborah Rehner says:

    Your explanation is much clearer than the official one. Thank you. I’ll come back here again.

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