Questions tagged [preview]

Apple Preview is a program included with every version of macOS that permits displaying and limited editing of common 2D and 3D files using Apple's Core Image and Quartz frameworks.

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172 votes
10 answers
176k 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 ...
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  • 1,821
169 votes
3 answers
114k 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 ...
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  • 5,018
123 votes
12 answers
260k views

Is it possible to rotate images in Preview in degrees other than 90?

I want to rotate an image in preview but I only need to move it a few degrees. Is this possible? Or can you only rotate 90 degrees?
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  • 1,865
101 votes
11 answers
322k views

How to print an image across two pages

I have a long image that's about 8 inches wide by 20 inches tall. It's open in Preview. For the life of me, I can't figure out how to get the top half of the image to print on one sheet of letter ...
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83 votes
12 answers
482k 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 ...
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  • 22.9k
81 votes
9 answers
74k views

How to decrease .pdf size without losing quality

Background I want to decrease size of the .pdf filled with images. In Preview in can be dome through Export and set Quartz Filter-> Reduce File Size before saving. Problem The file indeed ...
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  • 2,827
80 votes
6 answers
188k views

Add images to existing PDF with Preview

Preview allows to add text and shapes to PDFs. But is it possible to add existing images (PNG / JPEG) to a PDF file as well? I do know that Preview already has some of image embedding by allowing the ...
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  • 949
77 votes
8 answers
72k views

Is there the dark mode (inverted colors) in the 'Preview' Application for PDF reading? [duplicate]

I am using the “Preview” application for reading a PDF file on a MacBook Pro. Is there any way in I can read it in dark mode? You can do it in Adobe Acrobat Reader by changing background and text ...
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71 votes
5 answers
99k views

Can you add blank space to a photo in Mac Preview?

I would like to add a title above or below a photo that is open in Preview. I know how to annotate the photo that writes over the photo. I want to add a new blank area where I can put the annotation....
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60 votes
4 answers
38k views

How to get the hand tool back in Preview.app in 10.8?

In Mountain Lion's Preview.app the toolbar was changed quite drastically. While I can see why they did it, I found that it misses the Hand tool that one can use to move enlarged documents around with ...
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55 votes
5 answers
42k views

Search not working in Preview.app

Viewing a pdf with Preview, I do cmdF to bring up a search box and then enter a word and hit enter. Basically nothing happens even if it's a word that's obviously present. Sometimes if I smash my ...
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  • 695
53 votes
5 answers
16k views

How to disable PDF editing in Preview app?

I am running OS X 10.10, Yosemite, and there is one feature which really annoys me. I know it must be useful for a lot of people but it's just not for me. When I open a PDF document and, by habit, I ...
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  • 653
48 votes
8 answers
133k views

Can I export my signature from Preview on one Mac and import it on another?

A follow on to this question about extracting the signature image. Is it possible to just copy the plist file containing the signature from one Mac to another? Is there a recommended method for ...
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  • 44.3k
48 votes
7 answers
163k views

How can I create a multipage PDF from JPG's in Preview?

I just upgraded to Lion recently. When I was on Snow Leopard, creating a multi-page PDF document in Preview was simple: I would open up the image Save it as a PDF Open up the PDF Open up the panel ...
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  • 22.9k
39 votes
6 answers
360k views

How to start a slideshow on the Mac quickly and easily?

This is one thing I don't quite get it for the Mac: why is it so hard to start a slideshow? The most often way is, I have several photos on the Desktop or in Downloads, and I double click to see the ...
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  • 9,180
35 votes
9 answers
50k views

How to switch 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 it,...
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  • 483
33 votes
2 answers
95k views

Fill an area selected using 'Instant Alpha' with a specific color in Photos

In the Photos.app I am using Markup Toolbar in conjunction with screenshot editor. How can I fill an area I selected using Instant Alpha with a specific color?
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  • 331
32 votes
12 answers
267k views

Split a single page PDF into multiple pages

Is there an easy way (in Preview or whatever) to scale up and split a PDF file with a single page into multiple pages? What I would like is to split say an A3 paper document into two A4 pages, to ...
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31 votes
1 answer
85k views

Does the Preview app have a freehand pen/pencil tool?

The Preview app has markup / annotate tools like rectangle, oval, line, text, speech bubble, thought bubble. Is there a pen or pencil tool that lets you draw lines in a freehand way? (I'm using ...
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29 votes
1 answer
20k views

How to search a phrase in Preview of OS X?

When I search for a term like "formation water", preview returns everything starting with formation and not the term "formation water". How can I search for a phrase in Preview?
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  • 3,636
29 votes
6 answers
15k views

Always show markup toolbar in Preview

As the title says: is there a way to permanently show the markup toolbar in Preview? (working on OSX 10.10.1 Yosemite)
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28 votes
3 answers
37k views

"The document could not be saved" - Preview error

I have the issue on macOS Sierra(10.12.1) and still have it on High Sierra(10.13.3). I get this error message(not all the time) a lot after editing an image, and trying to save it. I can't quit ...
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  • 4,714
28 votes
5 answers
27k views

How to disable Acrobat Reader in Safari?

In Safari, the default PDF-Viewer in Safari is "Preview". Unfortunately, since I installed the Acrobat Reader, this default changed to the Acrobat Reader, which is extremely annoying. How can I ...
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  • 1,267
26 votes
8 answers
36k views

Preview an animated GIF image?

How can I preview an animated GIF? When I double-click it, it opens in Preview and is not animated, showing each frame as a separate image instead of playing the animation. As an example, here is the ...
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  • 2,896
26 votes
3 answers
81k views

Preview refuses to open pdf file, incorrectly claiming a permission issue

I had to force-quit Preview (it became unresponsive after trying to open a 200Mb animated gif), but after re-starting it, some files that were open before no longer open. Instead an error box pops up ...
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  • 1,140
26 votes
3 answers
9k views

Control odd-even page pairing in Preview in two-page mode

By default, Preview displays pages like this in two-page mode: How can I get it to display them like this instead? Acrobat does the latter but Acrobat is not nearly as responsive with this file as ...
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  • 2,409
25 votes
3 answers
17k views

How to get location of a pdf file opened in preview

I have opened a pdf file in preview, without knowing where this file is located. How can I find out?
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  • 577
25 votes
1 answer
36k views

Preview: Remove all annotations

Is it possible, using Preview (or maybe some other tool if not doable with Preview, but Preview preferably) to remove all annotations from a PDF file, without manually deleting every annotation?
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  • 636
25 votes
4 answers
17k views

Is there a way to make Preview not open all previously opened files?

Usually when I use Preview, it is when I see a .jpg or .png and I double click on the file to take a look at the file, but sometimes Preview will open up all the .pdf and .png I opened previously, ...
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  • 9,180
25 votes
4 answers
27k views

WebP support on macOS — is it indended to actually work?

macOS seems to recognize WebP images as such, and seems like it actually tries to display previews of them, but always fails. They are also associated with Preview application, just like other ...
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  • 1,493
25 votes
4 answers
11k views

Configure Preview to auto reload pdf and stay at the same location

System: OS X 10.10 Preview version: 8.0 When a pdf file opened by Preview is updated by another program (such as pdflatex), Preview will automatically reload it, which is good. However, Preview ...
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  • 351
24 votes
2 answers
49k views

Measuring PDF margins, etc. with Preview?

I would like to measure the size of the margins and other distances in a PDF without having to print it out. I would like the results in "as printed" units (e.g. inches or cm once printed) Is it ...
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  • 1,576
24 votes
7 answers
38k views

Preview - Export to PDF without margins

Preview (like most Mac apps) can print to PDFs, and even has a shortcut for this functionality via a menu option Export as PDF.... I have a scanned document in .tiff format that I'd like to convert to ...
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  • 7,940
24 votes
6 answers
46k views

Retrieve image coordinates at mouse cursor in Preview.app

I want to measure the precise pixel coordinates within an image where the mouse cursor sits. Are there stock OS X or third party tools that can easily do this?
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  • 471
24 votes
7 answers
52k views

Preview Cant Open Multiple PDF in same Window

I have the option to open groups of files in same window setting turned on, and this works for pictures. However, for PDFs this setting does not seem to work. I know opening multiple PDFs in the ...
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  • 351
23 votes
4 answers
26k views

How can I remove a signature once it's saved in Preview.app?

How can I delete a signature that I inserted using Preview.app? I can edit or delete all the text fields but the signature seems locked somehow.
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  • 231
22 votes
6 answers
45k views

How to pixelate / blur part of an image in Mac Preview?

I have a screenshot of a web UI and I wish to blur the parts that are not relevant to the point being demonstrated, is there a way to blur / pixelate part of an image using Mac Preview? Note: the top ...
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  • 3,117
22 votes
1 answer
40k views

Why do PDF forms/annotations filled in using Preview.app appear blank to Windows/Adobe users?

If I fill out a PDF form using Preview.app on Mac OS X, and email it to a Windows user, it appears to be blank when they open it in Acrobat. The same applies to some (most?) annotations. How can I ...
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  • 8,260
22 votes
3 answers
29k views

Changing the shortcut for highlighting text in Preview

How do I change the keyboard shortcut for highlighting text in Preview (OS X Yosemite)? By default it is Ctrl+Command+H, but I'd prefer a different combination (maybe Ctrl+E) as that’s easier to use. ...
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  • 221
21 votes
1 answer
39k views

Can Apple Preview display the page size (dimensions in inches) of a PDF?

If I open a PDF file using Adobe Acrobat, when I select File then Properties, I can see that the Page Size is 11 x 8.5 in. Is there a way to access this information in Apple Preview?
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21 votes
1 answer
19k views

How can I disable inline attachment previews (i.e. view as icon by default) in Mac Mail in macOS Mojave?

I would like to disable inline attachment previews by default, and instead view all attachments as icons in Mac's Mail app in macOS Mojave. In High Sierra, the following terminal command was ...
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19 votes
6 answers
98k views

PDF document with notes has yellow squares, can't remove them

I have a PDF document with a lot of notes. There is a yellow square in every note, and if I remove the note using the inspector, the yellow squares doesn't go away: I need to print this document and ...
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19 votes
10 answers
20k views

Why is Preview excessively slow after upgrading to Lion?

After upgrading to OS X Lion, I noticed that my preview app is now excessively slow, taking minutes to open a file instead of seconds, even when opening a local file. In addition, it is often ...
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19 votes
4 answers
25k 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 ...
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  • 247
18 votes
5 answers
7k views

Why Quick Look in macOS Monterey shows only the metadata rather than the actual content of media files?

Previously in macOS Big Sur pressing the space bar on an image/video file, Preview.app shows the preview of the media content (image content / play video), but now in macOS Monterey (version 12.0.1 (...
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18 votes
1 answer
18k views

Change title of bookmark in Preview

In Preview.app (Mavericks version) bookmarks can be added (Cmd-D) to a PDF file and shown in the sidebar. The bookmarks all get the same title, which seems to be an excerpt from the first line(s) of ...
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  • 307
18 votes
3 answers
2k views

Reopen PDF in Preview on the same page when modified externally

In Mac OS X 10.9 Mavericks when a PDF document opened in Preview is modified by an external application, Preview automatically reopens the new version with the same page displayed as before. After ...
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  • 281
17 votes
4 answers
32k views

To view the full contents of this document, you need a later version of the PDF viewer

Sometimes I receive PDF files that open with Preview (Version 7.0 (826.4), Mavericks) with the following message: To view the full contents of this document, you need a later version of the PDF ...
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16 votes
6 answers
10k views

Open two views of the same PDF

Is there a way to open two views of the same PDF in Preview (without creating two copies of the file), or perhaps split the window and show two different pages at the same time? This is very useful ...
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  • 2,409
16 votes
4 answers
15k views

Force Preview to open all selected images in one window

Before mavericks, selecting several images in Finder and choosing Open on them would open them in Preview in one window, with all image thumbnails nicely on the left hand side bar. Since Mavericks, ...
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