Apple Preview is a program included with Mac OS X that permits displaying Adobe PDF (Portable Document Format) files without needing Adobe Reader. Apple Preview also displays many other kinds of documents and graphics files, and permits limited editing and manipulation of them.

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4
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4answers
4k views

Maintaining Aspect Ratio while Image Cropping using Preview

I like the convenience of being able to crop jpg/png images with Preview, but I would also like to be able occasionally to restrict the aspect ratio of the cropped image. This is useful, for instance, ...
0
votes
0answers
9 views

Prevent a force quit program from opening the windows again in Yosemite [duplicate]

I've been using the Preview app to read some pdfs. Yesterday, I opened a dozen of them, and after using the search function in one big document, the whole app froze. I force quit, but now, every time ...
0
votes
1answer
9 views

Embedded video in pdf file doesn't work in Preview

I worked with LaTeX and I created a pdf document that contains some embedded videos. The videos pop up when I click on them and this functionality works just find in Adobe Reader. But when I try to do ...
0
votes
0answers
17 views

Why is the pdf performance on iPad Air better than on a MacBook Pro? [closed]

I have an iPad Air on which I use GoodReader to view PDF files and everything is nice and smooth. Viewing the same pdf files on my 2013 Retina Macbook Pro I can not get smooth scrolling for large ...
5
votes
2answers
86 views

Why does preview change the ctime of a pdf, and how can I disable it?

When I open a file in Preview, preview updates the ctime of the file. This seems to only happen once however, and as far as I can tell, nothing other than the ctime is changing. This is very ...
0
votes
1answer
449 views

preview crashing with yosemite and mavericks

I updated from 10.6.8 to yosemite and since then preview crashes every time I open an image. I rolled back to 10.6.8 and installed mavericks and got the same problem. Can anyone figure this out? ...
4
votes
2answers
83 views

Can't kill Preview app

I have strange problem, my Preview app is not responding and can't kill it. leo-mac:~ leo$ sudo killall Preview No matching processes were found Force Quit button also doesn't give any result. ...
1
vote
1answer
15 views

How do I change just one dimension in Preview, when dragging/using the mouse?

In Preview, I want to change just the width of an image by dragging the points/dots surrounding the image on the sides, with my mouse. But instead of just the width changing, the entire image gets ...
3
votes
3answers
4k views

Retrieve image coordinates at mouse cursor in Preview.app

Is there any means of retrieving the current pixel coordinates within an image where the mouse cursor is? (Failing this, are there any stock OS X tools that can easily do this?)
0
votes
1answer
47 views

Preview.app Very Slow To Save Highlights on PDF (rMBP, OS X 10.10.3)

I have scanned a textbook into PDF. The file is 725 pages and 1.73 GB large. It is mostly text but there are a few images per page. Now that the book is scanned in, OCR'd (SearchScan exact), and ...
5
votes
3answers
778 views

Vim/Emacs keybinding for `Preview.app`

Does anybody have ideas about using emacs/ vim key binding for Preview.app to browser pdf files and how?
0
votes
2answers
28 views

No PDF app showing equations properly

I have a PDF of a Ph.D. thesis in mechanical engineering, so there are lots of equations. No PDF app that I've tried on OS X (Preview.app,Adobe Reader, Skim, PDFPen) can show the equations properly; ...
0
votes
0answers
9 views

How can deleting pages from a PDF result in an increase in file size? [duplicate]

I routinely scan pages to PDFs and then use Abbey FineReader to run OCR on those PDFs, creating a new PDF which contains both the original images (further compressed) as well as the recognized text in ...
0
votes
1answer
22 views

Why does opening Mac Mail show a preview pane not the whole email?

On my MacBook OS X 10.10.3 when I used to open Mac Mail it would just display the entire message and there was more flexibility to deal with this or other messages. Now it seems to load a preview ...
5
votes
1answer
466 views

Stop Safari from loading webpages as Preview images

Everyday, the first time I start Safari, if I go to the history or bookmarks tab, I get the following message: How can I stop Safari from prompting this message and completely disable the webpages ...
0
votes
0answers
21 views

Preview: Changing font in auto-identified PDF form fields

How can you change font options (size, typeface, color, etc) for the text you type into PDF form fields? This question is different than Change font size for PDF Text Annotation in Preview. That ...
0
votes
0answers
22 views

Is it possible to sort pdf windows in another order in Preview?

I noticed that when I upgraded to Mac OS X Yosemite the order of the opened pdf files in the Window menu of Preview now is in alphabetic order. However, it used to be in the order they were opened (If ...
2
votes
4answers
50 views

Change filename in Preview

I end up with lots of screen shots that look like this: Obviously after a while I do not know what they are. So I open them in Preview to see, and would like now to change the file name to ...
1
vote
1answer
2k views

How do I transfer a photo in Preview to iPhoto?

I have a Photo in Preview. How do I move it to iPhoto?
2
votes
2answers
3k views

How to show all annotations at once in Preview?

I just got an heavily commented pdf, when I open it in Preview, all annotations (highlights, notes) are "hidden", i.e. do not show up in the left margin. I can display them by clicking on them but I ...
1
vote
3answers
14k views

Preview is not responding since OS X Mavericks update

Preview is not responding for me since the OS X Mavericks update. I cannot open JPEG images. If I try to go to full screen view, I just get the beachball and have to hard reboot. I am a photographer ...
8
votes
6answers
9k views

How to reduce lag when scrolling in Preview?

I have a large .pdf file (it's an electronic textbook) and was wondering how I could decrease the lag when scrolling. I tried breaking it up into smaller sections (about 20-page pdf's) but that didn't ...
1
vote
0answers
8 views

How to get rectangle annotation coords in preview?

How can i get the coords of this annotated rectangle in preview app or other mac app?
6
votes
3answers
596 views

Yosemite's Preview.app goes to top of document when PDF changes

I use Preview.app to view PDFs which I am creating with pdflatex. In OSX Mavericks, whenever the PDF changed I would switch windows away from Preview and then back, and the view would update, ...
6
votes
5answers
4k views

Change highlight color in Mavericks preview?

In Preview on OS X 10.9 Mavericks, is it possible to change the color to something other than yellow, green, blue, pink, purple? I know it is possible to highlight in other colors because I did it ...
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0answers
17 views

Add arbitary extension to QuickLook text preview

I was trying to restore a .conf file from Time Machine and QuickLook does not display the file as text. A bit of digging, and I came up with this answer QuickLook Uniform Type Identifier How can I ...
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0answers
12 views

Using Preview for a slideshow - the source images update and I want to have preview refresh automatically

I'm not 100% sure on what our current process is. As I understand it, we have preview doing a slideshow on a TV. It reads from a folder, which updates images at 8AM every day. We want the slideshow to ...
4
votes
2answers
4k views

How to swtich Preview's full screen default setting from “two-pages” to “continuous scroll”?

Whenever I open a pdf, Preview.app opens it in "continuous scroll" mode. However, when going into fullscreen mode, it switches to "two-pages" when, really, I want it to use whatever view mode I had ...
9
votes
3answers
6k views

What causes PDF file size to increase when saving in Preview?

It seems that making edits, annotations, or even just opening and saving a PDF file in Preview will cause a significant increase in file size. I've noticed that for some books I've scanned this also ...
1
vote
1answer
26 views

Changes to image are permanent without hitting save

I was trying to make some avatars out of some of my images and needed to resize them. I did so in Preview in Yosemite 10.10.3, and had before as well in Snow Leopard. There was no 'save as' option, ...
7
votes
3answers
1k views

Keep Preview from autoresizing print output

Whenever I want to print a PDF file from Preview, the print dialog defaults to shrink the page to fit the bounds of the page. I have to manually select scale: and enter 100 into the text field. Is ...
0
votes
1answer
55 views

How to disable restore/resume/saved-state for a specific application in Yosemite

For most applications I like the OSX feature of remembering which documents were open. But it drives me nuts in Preview. In past versions of OSX there was a simple preference that could be altered ...
0
votes
1answer
2k views

Preview hangs when opening any image or pdf

Recently Preview has started hanging for me whenever I open any pdf or image. I keep getting the spinning balloon of death and am unable to do anything in Preview, so I have to force-quit the ...
0
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2answers
28 views

How to delete text from an edited picture in preview?

I recently edited a picture in preview by adding text to it. I then saved it, not realizing that the original would not be saved (without the text). When I went in to the picture later to delete the ...
0
votes
0answers
19 views

Can't move around icons in Preview

I recently upgraded to Yosemite. When I am looking at my thumbnails (icons) in a Preview folder, I can't seem to move around the images. It just wants to keep them in name order. I obviously tried all ...
10
votes
1answer
6k views

How do I use Mac's Preview application text speech feature?

How could I let Preview start speaking a selected paragraph? I found the speech menu item in the edit menu but this starts speaking from the beginning of the document!
13
votes
7answers
22k views
2
votes
1answer
37 views

Why does Preview lower image-quality

I use photos from a digital camera and work with them in Photoshop/Lightroom. Today I again imported pictures from the camera into photos-app on my MacBook Pro, mid 2014, Yosemite 10.10.4/3 (I had the ...
16
votes
3answers
14k views

Change canvas size in Preview.app without scaling image?

I have a PNG that I want to add additional content to. For this I need to increase the canvas size of the image: Just make the image larger, but without scaling the existing contents (which the Adjust ...
2
votes
3answers
3k views

Yosemite - Can't add text note at arbitrary position in Preview?

Previously, when selecting the "text" tool in preview in order to add a note to a PDF, I could specify where to add this text note by clicking on a particular place of the pdf before actually typing ...
0
votes
1answer
29 views

Image border in Preview app

Whenever I have a sprite frame, and I open it in Preview app, I can't see the exact edges of the image because the background of an image is transparent. Therefore, I can't see if there is any padding ...
0
votes
1answer
56 views

Getting the Mac to read PDF files aloud

I tried previous suggestion to have my MacBook to read PDFs with speech. I tried Edit -> start speaking in Preview. I also tried the regular way of of using a shortcut key preset in System Preferences ...
0
votes
0answers
68 views

Cannot open jpegs in preview since upgrading to OS X 10.9.5

When I try to open JPEG in Preview since upgrading to OS X 10.9.5, I get the message: "The file couldn't be opened because you do not have permission to view it. To view or change permissions, select ...
12
votes
10answers
76k views

Blacking out a part of a PDF, or redaction of text

What methods are there to blackout a part of a PDF? I don't want to simply use Preview's annotation tools and then save the document, since then someone could open up the PDF and remove the ...
21
votes
6answers
18k views

Move through images in a folder with Preview.app

When looking at an image in a directory with the Preview application, I'm used to the Windows behaviour of using the ←/→ keys to move through all the other viewable images in that ...
8
votes
6answers
3k views

Quick Look sometimes shows blank panel in Mavericks [duplicate]

I have OSX 10.9.2 and on some photos the Preview shows blank panel instead of the image. Sometimes it opens the image, other times it's blank (for the same image). I can't find similar reports on ...
2
votes
1answer
80 views

Hidden features of Safari? [closed]

While using Safari, I accidentally three-finger tapped on a link and Preview of that web page popped up, like below. I think it's pretty useful. Do you know any other hidden features of Safari? I ...
2
votes
3answers
271 views

How do I change the direction of a speech bubble in Preview?

I'm using Preview to add some speech bubbles to a picture. The default speech bubble assumes the speaker is below and to the left. Can I change where the speech is coming from?
0
votes
3answers
285 views

“Share” button in Preview (10.9.5)

I have tried to send pdfs via email from Preview but the app is not letting me. The share button only gives me the option to send via "message" and "airdrop". I want to be able to send via Mac Mail ...
2
votes
1answer
28 views

Streaks in PDF when using preview

When opening a PDF in preview there often are streaks like this: Does anybody have an idea where this is coming from?