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Questions tagged [quicklook]

Quick Look allows Finder and various other apps to preview files quickly.

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164 views

Mac OS Mojave console error for quicklookd “Failed to generate image with request <private>”

I am using Mac OS Mojave on a MacBook Pro. Recently the console popped up in the dock without my doing. Console window displayed the following error for quicklookd process several times: Failed to ...
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46 views

Problem with qlmanage -p not working for most (but not all) files

I'm trying to invoke quicklook from the command line via qlmanage -p filename Images like jpegs and pngs and pdf files work fine qlmanage -p test.jpg qlmanage -p test.png However invoking the ...
2
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1answer
54 views

Quick way to preview all pages in a PDF file

Is there a quick way or software for MacOS that makes it easy to quickly preview all (or many) pages in a single PDF file. Optimally, it would preview a PDF with multiple pages, similar to how Quick ...
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24 views

Show a preview of folder in preview column in column view of Finder

I want folders to show up as previews in the right hand preview pane of column view in Finder. Primarily I want this so that I can access some some Automator actions right there in the preview pane. ...
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62 views

Cycling through items in Quick Look on Mojave

For years I've used Quick Look to cycle through large numbers of photos so I can tag them as a group. I would select the last photo in a list, press shift, and then use the up button to select as many ...
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1answer
45 views

What happens if I just delete my thumbnail cache?

I keep data on a thumb drive and sometimes my laptop gets hot running quicklookd presumably trying to make thumbnails of all of the files on the thumb drive. The high runner file types are images, ...
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0answers
81 views

Quick Look full screen issue

Videos in a folder - open one with space bar - stretch it to a bigger size (almost full screen) - use arrows to scroll other videos - every video is that same bigger size. No problem. Pictures and ....
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0answers
26 views

How To Stop macOS From Generating File Icons On The Fly Based On The Filetype

This is a really petty complaint, but in macOS, a file will assume the icon set for it by the default application set to open that file, but on my Mac certain file types, the icon seems to be ...
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7answers
7k views

Mojave quicklook stuck at loading

Some days after installing Mac OS Mojave my quick look startet showing the spinning icon in the finder sidebar and when i press space on media files (.jpg, .png, .gif, .psd, .pdf, etc.). Here what i ...
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3answers
4k views

Zoom in on photo in Quick Look on macOS Mojave

In versions of macOS before macOS Mojave (10.14), one could press the Alt/Option key when viewing an image in Quick Look to zoom in to the "actual size" of the photo. When the macOS Mojave beta came ...
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2answers
475 views

Quick Look not working for CSS and JavaScript files

I have installed the QLColorCode plugin from this site, so that I can Quick Look JavaScript and CSS files, but it's not working. Pressing the space bar on a code file just shows the icon. Removing ...
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0answers
17 views

QuickLook blanks after a few files

Ever since upgrading to macOS High Sierra, I have been having trouble using QuickLook on .MDP (MediBang Paint) files. QuickLook will work fine previewing the first few files in finder before abruptly ...
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1answer
53 views

Finder stopped showing the content of a text file

I have been using MacBook pro-2017 for about a year, in the mean time I have added a couple of quiclook generators (e.g. QLStephen.qlgenerator) for various services for the Finder. For quite a few ...
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1answer
125 views

Reset Uniform Type Identifiers on Mac OS X

A colleague of mine has developed a Mac OS X application that creates files with a relatively common file extension in my research field (.fits, an official image format for professional astronomical ...
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0answers
64 views

AppleScript handle QuickLook on itself?

I've created a very simple AppleScript app which currently, when run, displays a different image from the desktop depending on which day of the week it is as seen below: set currentDay to weekday of (...
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0answers
2k views

Zoom in on a photo in Quick Look in macOS Mojave Beta

One invaluable Quick Look feature which I used to use pre-Mojave was pressing the "alt/option" button when using Quick Look to view a photo, which zoom in on the photo to its actual size. However, it ...
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0answers
212 views

JPEG file Thumbnail display corrupted in Finder

The thumbnail display for JPEG files is displayed corrupted in Finder in macOS High Sierra 10.13.4. After updating to macOS High Sierra 10.13.4, the preview of JPG files in the Finder are broken. It ...
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0answers
61 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 '...
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1answer
342 views

QuickLook permission denied

I've never try to fix it but my quicklook doesn't work on some file like .c, .java, .json ect.. I think it begin (about 2 or 3 months ago) when I tried to install plugin for quicklook find on this ...
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0answers
60 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 ...
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0answers
30 views

Quicklook word Notebook layout broken

Model Identifier: MacBookPro11,4 System Version: macOS 10.13.3 (17D102) Microsoft. Word for Mac 2011 Version 14.7.7 (170905) Latest Installed Update: 14.7.7 Here's the issue. I can see a ...
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0answers
331 views

High Sierra security policy breaking quicklook?

Quicklook was not working (i.e. the visual icon preview for application files in the finder). First I read man qlmanage and tried what is suggested there. Following that, output from qlmanage -t ~...
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2answers
34 views

Quick Look: How to return to unindexed view using mouse

After selecting some images and pressing ≪Spacebar≫, I click on the index button: This is what I see: Without the keyboard (Ctrl-Enter), how do I get back to the unindexed view?
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3answers
73 views

A better alternative for source code file browsing than finder+quicklook?

I'm not an IDE user and I spend a lot of time going back and forth between finder windows opening files in quicklook just to look at a thing here and there. This gets awkward fast, specially as QL ...
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1answer
267 views

How can I “Quick Look” (result of pressing Space Bar in Finder) a filename printed by “ls” in iTerm2?

Simple question: is it possible to get the "Quick Look" of images and text files by clicking the results of ls in an iTerm2 window?
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1answer
47 views

Finder preview automatically goes full screen whenever Finder gets focus

I hit some Cmd + ? shortcut while previewing a file and now I have a problem. Whenever Finder has focus, it goes straight into this full-screen mode. Heres a quick screencast. To put it another way:...
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2answers
156 views

How to restore Quick Look for plain text .txt files?

I was recently installing/uninstalling/re-installing some third-party Quick Look extensions (brew cask install qlstephen among others). When all the dust had settled everything worked well except ...
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2answers
258 views

Reposition/Resize QuickLook window with AppleScript

Is there a way to resize and reposition a quick look window with AppleScript? I have an AppleScript that will do this with any app, but I do not know what the quick look app is called. I have tried ...
2
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1answer
151 views

How to use custom font for codes in Quick Look?

When using Quick Look on a code file — .swift or .cpp, etc. — the font used to render the text seems to be Menlo. I was wondering if this is customizable. Can I manually set it to any font I want, ...
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0answers
46 views

Preview.app corrupting images when rotating

Preview.app is corrupting my images when I rotate them. Does anyone know why this might be? I've had issues with corrupt quicklook previews, but not this. Before: After opening in Preview.app and ...
2
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3answers
596 views

When did Apple add support for 3D models in Quick Look and Preview?

I just happily discovered that .obj files are viewable in Quick Look and Preview! I'm assuming this is now standard functionality, rather than the result of some third-party software on my Mac having ...
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1answer
32 views

Stop spacebar triggering quicklook when using Quicksilver

If I invoke Quicksilver and type "activity", and then press spacebar in order to finish typing "activity monitor", instead of a space being included in my search string, it invokes quicklook on ...
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1answer
746 views

Quick Look video scrubbing on macOS High Sierra

Previously, when previewing a video in Quick Look, scrolling right and left on the trackpad would scrub forward and backward, but after upgrading to macOS High Sierra, this seems no longer to be the ...
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1answer
3k views

macOS High Sierra unable to natively play videos encoded with HandBrake's H.265 setting

I'm using HandBrake to encode some videos using the MP4 H.265 format, but the videos won't play using QuickTime or Quick Look on macOS High Sierra, which is supposed to have H.265/HEVC support. They ...
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1answer
952 views

How can I read markdown files with QuickLook? [duplicate]

I would like to be able to read markdown (.md) files with Quick Look. Unfortunately, it just appears like this: Is there any way that I can be able to see the contents of this file? I don't care ...
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1answer
539 views

Quick Look Window - Pause video shortcut

Is there any keyboard shortcut to pause the video, that is being played in Quick Look Window ? Quick Look Window launches when we click space bar on file (say a video file) I can find the pause ...
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35 views

Is there an app for OS X that can do something like Google's similar image search using images local drives as the database to serch in?

Reading about this a little it seems the compute power required is rather intense, but this would be a very useful app for finding old image files, even from their quicklook previews in the case of ...
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1answer
177 views

Is it possible to change the “Quick Look” zoom modifier key?

On a Mac, while using Quick Look to briefly view the contents of a file (by pressing the space bar while the file is selected in Finder), one can use the option ⌥ key to achieve two results, depending ...
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0answers
93 views

How can I troubleshoot a problem I'm having with Quick Look on my Mac?

I noticed that recently I can't zoom properly in Quick Look when I preview image files. When I press the space bar, I can zoom normally. After that, I can pan the picture in the Quick Look window. ...
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3answers
7k views

Bug? macOS Sierra Preview/Quick Look issues with rendering colors of images when using any icc profile other than the macOS standard

When I installed Sierra I also profiled my display (with a spectrometer) and have been using the created icc profiles since then. Both Quick Look preview and the macOS preview app when displaying ...
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0answers
49 views

macOS Sierra: Selecting from Quick Look [duplicate]

The following trick is supposed to enable selecting from a Quick Look preview: defaults write com.apple.finder QLEnableTextSelection -bool TRUE … and then relaunch Finder. In the past it worked for ...
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0answers
305 views

Is there a solution for Quick Look's audio playback 'fade in' issue?

Playing the same audio file twice in Quick Look often adds an annoying "fade in" effect which makes it impossible to browse samples and comparing sound files by up/down arrow keys. This is especially ...
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0answers
1k views

Quick Look of image files very slow on macOS Sierra

With Lion on my old 2012 MPB, I loved how I could scroll down through many figures or image files like .png with Quick Look on Finder. It was immediate and fast, so for comparing plots with different ...
3
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2answers
16k views

Quicklook not working

Usually after I open quicklook and then close it again I cannot open quicklook again. And if I right click on an icon it lists exit quick look as an option but when I click it nothing changes. What's ...
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1answer
91 views

Trouble opening an Excel file with preview

I maintain a library that reads and writes Microsoft Excel files. Due to some recent changes neither Preview, Quicklook or Numbers can open the file. Is there are any way to get debug information from ...
2
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1answer
529 views

Syntax highlighting in QuickLook

I'm looking for a way to have syntax highlighting for my source codes in El-Capitan's QuickLook without installing TextMate. Previously I had TextMate and I got hooked to this feature. Googling this ...
3
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1answer
81 views

import file view on Mac El Capitan Not there

Not sure what this view is called but when importing a file from computer to the internet I no longer have this type of viewing option (see photo), is there way to have it appear this way?
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0answers
83 views

Quicklook for fullscreen terminal

I recently realized you can use quicklook from the command line. Here's the example: qlmanage -p somefile.txt >& /dev/null & When this command is invoked quicklook opens its popup *in a ...
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2answers
572 views

Yosemite: Corrupt quick look images

Ever since my transition to 10.10.5 Yosemite, quick look keeps corrupting the preview images every now and then. Sometimes is persists until reboot, other times it goes away after a while. The image ...
4
votes
1answer
2k views

Reassociating QuickLook file associations

Today I noticed the QuickLook feature stopped displaying .jpg, .png, and .pdf file previews. Desktop icons for these types don't show thumbnails. Pressing SPACE with the file selected in Finder just ...