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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.

2
votes
1answer
37 views

How to get the actual PDF icon rather than the stock one

I understand that with most apps etc. you can simply press CMD + I to get the Get Info and then from there you can simply select the icon and copy and paste it into another file so that the icons ...
2
votes
1answer
22 views

After installing High Sierra, preferences do not stick: PhotoShop images default to open in Preview

Since I "upgraded" to High Sierra, the text program (Tex-Edit Plus, v14.10.4) always reverts to the default preferences of opening two windows I do not want open: "Enable Quartz anti-aliased text at ...
2
votes
0answers
20 views

Share annotated PDF from iOS

When I annotate a PDF file, the annotations are correctly saved and can be seen using iOS "files" when saved there. But, when I upload the annotated PDF on the web, or by email, the annotations aren’...
1
vote
0answers
8 views

How to print from auto-select paper tray by PDF page size?

I have a tedious document production task that would be greatly simplified if I could use the dual-tray feature of the printer (a Canon MF414dw in this case.) Basically, I have an MS Word document ...
3
votes
1answer
77 views

how can I undo a picture I accidentally edited in preview?

The was a picture that I was looking at in my computer, I drew a line with the preview tool, my computer became really slow and it didn't let me do anything so I just force quited Preview. after I ...
1
vote
1answer
20 views

How to find tagged PDFs

I have to organize a lot of PDFs and it's possible to add Tags to PDFs through the preview app (not the filesystem tags like red/blue/green). But how to find them? When I open the Spotlight and try to ...
0
votes
0answers
46 views

How can I get an image selection programmatically?

I need to log the bounding box of the selected area from an image to the command line. This is because I will have to do this across a number of images and then compare and reuse those bounding boxes....
1
vote
1answer
25 views

How to play a video at 200% zoom on Mac?

Is there a way to play a video at 200% zoom on Mac with builtin programs like Preview or Quicktime? Or do you need to install a third party video player like VLC?
2
votes
3answers
147 views

Preview Fails to render zoom properly for large png

I made a 32768 × 32768 pixel Mandelbrot png, because it's a fun thing to do. It renders fine in preview, until I attempt to zoom in (which is the whole point of making the image as big as I made it). ...
1
vote
0answers
30 views

Why is Preview blacking out pages in a PDF file?

Someone sent me a PDF. Here's what it looks like in Preview. I can see the pages in the thumbnails, but in the main window they are black. Any idea what's causing this and how to fix it. When the ...
0
votes
0answers
32 views

Automatically merge all windows in Preview when opening multiple PDFs simultaneously

Apple has finally introduced this Merge All Windows in Preview, which will create as many tabs as the files opened by the app in a single window. Is it possible to open more files automatically with ...
1
vote
0answers
57 views

Change stylistcally how Preview opens

I have an issue which I hope some advance settings tweaker can aid me with, since it has to do with how Preview windows open when reading images/pdf's. For a long time, I have always preferred ...
3
votes
1answer
20 views

Some PDFs do not snap to the window while using Preview

I have a ton of college textbooks in PDF form, and I use Preview hours on end, every day; so this little problem becomes quite annoying: Some of my PDF files "snap" to the size of the window when I ...
1
vote
1answer
93 views

Why does the contrast change when you zoom out of an image on Preview on mac?

If you click on an image file in finder on the mac and press the space bar, Preview will preview the photo for you. After doing this, you can zoom in on the image (by pinching two fingers apart from ...
1
vote
2answers
54 views

Opening a pdf file from the command line

I have been using latexmk to make a pdf file in the following way: latexmk -pdf filename.tex; open filename.pdf This opens the pdf in Preview. However I want to open the pdf with a given zoom (...
3
votes
2answers
100 views

Why would Preview “want to use” my (unused) login Keychain just to execute hotkeys?

I've asked the related question in security SE: Why does not updating a MacOS keychain password cause applications to become troublesome? and the answer there explains that keychain is used by various ...
1
vote
0answers
626 views

Whatsapp Notification does not display contact name [duplicate]

The problem I’m experiencing is that contact names do not appear on whatsapp notifications (locked and unlocked). For example, if I get a message from Dad, whatsapp only displays the whatsapp logo and ...
1
vote
1answer
28 views

PDFs always open in Photoshop on Macbook Pro 2015 even when I change default program

Without my intervention, pdfs just open up in Photoshop. I've never told them to open in Photoshop, even once, but the computer decides to change the default program to Photoshop. I change the default ...
1
vote
0answers
43 views

JPG preview in Finder (OS 10.13.4) broken

After updating to High Sierra (10.13.4) the preview of jpg files in the finder are broken. It would appear that it is only the case with jpg's created by Adobe Illustrator (CC 2018). I restarted in '...
3
votes
1answer
67 views

PDFkit rendering issue

I generated a PDF by running pdfTeX on the following source file: \documentclass{article} \newcommand\embolden[1]{% \special{pdf:literal 2 Tr 8 w}% #1% \special{pdf:literal 0 Tr 0 w}% } ...
1
vote
1answer
22 views

Unexpected Colour differences (MacBook Pro, OSX 10.11.6)

I wrote a postscript file including a blue (0,0,255) RGB and a yellow (255,255,0) RGB shapes. When viewed (in Preview) and according to the apple DigitalColor meter set to "native colours" mode, the ...
0
votes
1answer
119 views

Preview freezes every time I restart it and open a file

Every time I open a pdf or image file using Preview when Preview was not already open, Preview will freeze up for a few seconds. If Preview was already open, i.e. I already had a pdf open and opened ...
1
vote
0answers
113 views

Preview fails to open pdf with “The file couldn't be opened because you don't have permissions to view it”. but I have these permissions

I've seen this earlier but never got time to bother looking closely into the problem. So when I open a pdf file I created (long time ago, though in 2014). I see this error message from Preview: But ...
0
votes
0answers
16 views

Can't enter text to empty lines in PDF files in Preview

When I fille out some PDF forms in Preview, I used to be able to enter text in the empty lines. Since some time, it has not been possible. When I click empty lines, an empty text box appears, but I ...
1
vote
0answers
9 views

Locate duplicate pages in multiple PDF documents (for removal)

Is there a way to automatically detect duplicate pages across multiple PDFs? e.g. we have 300 PDFs and there could be the same page in each of the PDFs, and we'd like to remove all but one of them. ...
1
vote
3answers
53 views

What is the best way to report a bug/feature request discussed here to Apple? [duplicate]

If a question asked on this forum does not get an answer because the feature requested does not exist (e.g. [1]), or it is agreed that there is a bug, ... what is the best way to report this to Apple? ...
1
vote
1answer
340 views

Quartz Filters not working on High Sierra—is it fixable?

I noticed tonight that I can't convert a document to black and white in Preview. When I open the PDF in Preview and select Export, I see a select input for Quartz Filters, and I'm able to choose any ...
1
vote
1answer
32 views

How can I insert an image(jpg/tiff) to an existing GIF in Preview?

I dragged an image(tried both jpg and tiff) to a GIF file and Preview just opens up two documents in one window, instead of adding the image to the first document (GIF). I have Preview 10.0.
2
votes
0answers
72 views

Does Preview.app's freehand tool allow one to select multiple shapes easily?

I am studying mathematics and I find the Preview.app's freehand tool extremely useful to help me understand the documents I am reading. As you can see in the picture below I end up having a LOT of ...
2
votes
1answer
44 views

How can I view PDF at two-pages and in the right-to-left order?

How can I view PDF at two-pages and in the right-to-left order? Acrobat can do this but Preview is more responsive.
4
votes
1answer
26 views

How to edit or add tag colors

In Preview.app for macOS 10.13.3, how do I remove a tag from the drop-down menu and add additional colour tag, other than the few shown? I made a tag which I want to remove from the drop-down menu. ...
0
votes
0answers
9 views

Preview, how can I manage highlights and notes? [duplicate]

After reading a pdf file, I made many highlights and notes with a different colour, and each colour represents a specific meaning, for example, BLUE means something that I need to look deeper. My ...
2
votes
0answers
41 views

Some Finder icons previewing as text when they shouldn't

I have this problem in my main user account which manifest itself that some file types in the Finder incorrectly preview as text. For example I have several .dmg file that looks like this: They also ...
0
votes
0answers
17 views

How can I change the height of text highlighting in Preview?

I'm highlighting a textbook with Preview, and for what seems like 90% of lines with mathematical symbols, Preview's character recognition gets messed up, and highlights too much. This seems like a ...
0
votes
0answers
31 views

What's this devil in my HIGHLIGHTS & NOTES?

I'm reading a e-book which can be easily found by Google, its name is "Discrete Mathematics and It's applications, 7th, Rosen". When I wanted to take a note using the HIGHLIGHTS & NOTES feature ...
2
votes
0answers
38 views

Is it possible to make the Finder render thumbnails for images that have a custom extension?

I have several image files that were originally .png, but due to my own needs I changed their name to some custom extension .xyz. Thankfully, I can still preview the images using the spacebar, so ...
1
vote
1answer
309 views

How to get my Mac (High Sierra) to recognize custom Quartz filters I created to reduce file size?

I want to create custom Quartz filters to reduce file sizes to custom specifications when exporting a PDF in Preview. I found a helpful article on how to do it with an old operating system. I found ...
1
vote
0answers
26 views

How can I add a semi-transparent color overlay to all pages of a PDF?

I have to read a lot of scanned text in PDF format for university and Adobe's accessibility features for replacing colors don't work for this type of PDF. I've searched for hours online and it seems ...
0
votes
1answer
726 views

Change default highlight format in preview

To highlight text in pdf files, I select the text and hit the highlight button: The default was yellow highlight. Somehow, it got changed to a red underline. How can I change this back to yellow ...
3
votes
0answers
37 views

Preview crashes (beachball) when searching pdfs? Wants to save changes to multiple docs?

Preview has recently started hanging when I search pdf documents, which is really hindering my work. I get the beachball for a minute before it says it's 'saving changes' to multiple documents - even ...
2
votes
0answers
281 views

Preview in High Sierra not functioning properly

I am suddenly finding certain strange behaviors in Preview app Version 10.0 (944.4). Current OS version is High Sierra 10.13.3. 1) On selecting a section in Table of Contents, the selection gets ...
2
votes
1answer
31 views

Remove duplicate pdf pages in Preview?

Preview has a pretty clean and efficient PDF editor, especially when it comes to adding and removing pages. What I'm really looking for is a function that can remove duplicate pages. I've got a pdf ...
1
vote
1answer
269 views

Preview is Not Remembering Window Sizes and Positions on Startup (after Update to High Sierra)

Since I updated to High Sierra the Preview app no longer remembers the sizes and positions of its open windows. Instead it just opens all windows on the same desktop with standardised size and ...
6
votes
4answers
2k views

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

I am using the 'Preview' application for reading a PDF file on MacBook Pro. What I want to know is there any way in I can read it in the dark/night mode? You can do it in Adobe Acrobat Reader by ...
0
votes
0answers
15 views

Keyboard Navigation for Videos and PDFs while in Quick Look

When viewing PDFs in Preview I can use a multitude of keyboard shortcuts for various actions (for example, ⌘+2 for single page view). Similarly, I like to use ⌘+→ or ⌘+← in QuickTime to control video ...
0
votes
0answers
23 views

Preview Zoom to Fit page height

In Preview's Edit menu there is the option Zoom to Fit which adjust the zoom to fit page width. I would like to adjust zoom to fit page height. How should one approach this? A shortcut will be great. ...
0
votes
1answer
36 views

PDFs randomly open in Preview instead of Acrobat

Not a major but a semi-annoying problem is that totally out of the blue all PDFs will start opening in Preview instead of Acrobat. All PDF file icons change from the PDF icon to Preview, as if the ...
4
votes
2answers
186 views

Open several PDFs from Terminal

I am trying to open all PDFs in a folder from the Terminal. When I do open *.pdf Preview (my default PDF application), opens only one of them. Is there a way to get Preview to open all of them? ...
0
votes
0answers
43 views

Remarks on PDFs with Preview disappear

I have made a few remarks on some PDFs using the remarks button, which puts a yellow icon anywhere I want on a page, to add some text that shows when I click on it. Unfortunately I've found that, ...
0
votes
0answers
108 views

High Sierra 10.13.3 randomly drops Photoshop from the File Info dialog Open With list

I have a problem under MacOS I never had before and can't seem to resolve. I'll begin by saying that I've been using OSX since 10.8, and never have seen this until 10.13.3 I use Photoshop CC 2018, ...