How to Convert Several Images into a Single PDF Using Preview

you guys ever get 2 preview windows when opening a bunch of .jpgs for example? i dont get why that happens to me sometimes. All images could be taken from same camera in same session too

Preferences > Images > Open all files in one window.

Preview is one of the most powerful apps that comes with MacOS. So many people who started on Windows think they need adobe PDF reader. Preview will do it all without opening your Mac to adobes insecure reader.

That sounds handy, mind sharing how you did it?

Sure. And you can change the values to what you'd like.

Very useful tip, thanks MR. IMHO, this one single tip is more valuable than the last 50 rumor articles on this website.

Neat tip! Reorganising and merging pages in Preview needs to be advertised more. So many people think you need Adobe Acrobat.

I agreed with that statement until High Sierra. Several features are broken and PDF scaling is a blurry mess. There have been countless bug reports but no fixes. The majority of Apple's development resources have been reassigned to iOS and it is starting to show.

I'm not sure about that. This went around the Trolliverse awhile back, and came back as not true. Many people are using Preview with no problems at all.

So, unless you can more clearly state the problem as you see it and provide some way of duplicating it, I am going to have to say that I do not believe this statement.
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Another thought about PDF on the Mac. It is not (as intimated by the article) merely a file format supported by Preview that was added because it is useful across platforms. The integration of PDF into the Mac is much deeper than that. One of the best design decisions Apple made with the development of OS X was creating Quartz as a display technology. Quartz is essentially Apple's implementation of PDF. Native outputting of virtually any document to PDF has been a feature of OS X from day one because it's integrated into the OS. At one point early in the OS X development process Apple even demonstrated a PDF editing tool. That app disappeared pretty quickly though. I suspect they ran into trouble with Adobe.

Copyright lawyers rule the world!
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Very nice tip. Not around my Mac so can't test. Does it tip only work for images? I would like to combine some pdf files. And can it delete pdf pages? That's the only feature I miss when I stop using adobe acrobat.

its easy to combine pdf files in Preview. One way is to have both files open in separate windows, display the thumbnails in the sidebar, and drag or copy and paste from one to the other. you can also change the order of pages and and delete pages fro thumbnails. You can even create an automator workflow to select the pdfs and then combine them into one.
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Neat. How do you get it to arrange the order of images in the pdf?

view thumbnails, and drag
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Anyone know of a way to create the PDF in B&W so the size isn't gargantuan?

you can file print, then select pdf, this "flattens" the file and makes it very small. but not in black and white.

if you really want that, select file Export, use "quartz filter" to select Black and White
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I wrote a native MacOS app in Swift that does the same! Was a fun project. Workflow is much simpler if all you want to do it convert images to a PDF.

Search Concat in Mac App Store (sorry on phone and cannot provide link)

Sounds fun. I wrote an Automator Action, that I also save as a service to Preview. This program annotates widgets (example was forms using fillable fields). It has multiple modes. Reset to clear widgets, index to number the widgets, import to load widgets from csv, and paste to paste widgets from Numbers (I guess could also be Excel or others too). Very fun, contact me if you want code, I also aim to post on GitHub. Love to see someone pick it up and go commercial
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Very timely for me. I have been trying to do this from my Win machine, but the resulting PDF is too large for email. Does anyone know if Preview will compress the images or resulting PDF to a manageable size?

Also, is there an equivalent workflow in iOS? My source images are all pictures taken from my iPhone. Would be a huge timesaver to dump them into a single PDF for sharing by email on my iPhone.

Many ways to compress pdfs. "Flatten", by file print, then select PDF. file Export, choose format, save as images. Automator to compress images.

iOS: https://thesweetsetup.com/apps/best-pdf-manager-editor-ipad/. this reviews many PDF editor apps. I personally used PDF Expert by Readle - excellent app.

Preview is one of the most powerful apps that comes with MacOS. So many people who started on Windows think they need adobe PDF reader. Preview will do it all without opening your Mac to adobes insecure reader.

I agreed with that statement until High Sierra. Several features are broken and PDF scaling is a blurry mess. There have been countless bug reports but no fixes. The majority of Apple's development resources have been reassigned to iOS and it is starting to show.

You can also freely drag pages between PDFs in Preview using the sidebar thumbnails or the contact sheet view.

Acrobat does have a few tricks up its sleeve, like some (hacky) editing the text of a PDF -- and also I've occasionally come across PDF forms that do not play very well with Preview. For 99% of what you need to do with PDFs, though, Preview is brilliant.

Very nice tip. Not around my Mac so can't test. Does it tip only work for images? I would like to combine some pdf files. And can it delete pdf pages? That's the only feature I miss when I stop using adobe acrobat.

Yes to both.

This is indeed useful, but I also have an automated shortcut where i just drag files and then converted ones show up in their own folder on the desktop.

That sounds handy, mind sharing how you did it?