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

learn more… | top users | synonyms

31
votes
4answers
26k views

Quick Look support for non-native video files (.avi, .mkv) on Mavericks

In the past, we've been able to get codecs for DivX/XviD/MPEG4 and support for containers like AVI, MKV in Mac OS X's Quick Look feature using Perian (as per this question). As noted on the Perian ...
26
votes
2answers
5k views

Copy text from quick look in El Capitan?

I used to be able to just quicklook files and copy the text directly from there, removing the need to launch applications to open it which is just awesome, however, it doesn't seem to work in El ...
22
votes
6answers
6k views

QuickLook blanks when displaying some images

When using QuickLook to quickly look through multiple images (pressing space and then using the arrow keys to navigate), some images will not get displayed by QuickLook when hitting them up a second ...
18
votes
7answers
21k views

FLAC audio support for OS X 10.9

Someone please remind me of what software I need to install to get as full support for FLAC audio as possible. I've figured out how to do this, and then forgotten again, perhaps a dozen times over ...
15
votes
3answers
3k views

Use Quicklook to see the Content of .JSON files?

Currently, I can use the space bar to preview a number of files such as .txt, .css, .html etc in Quick Look. I cannot, however, see the actual contents of a .json file. Is there any possible way to ...
11
votes
6answers
4k 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 ...
10
votes
1answer
1k views

QuickLook for files with no extension or an unknown extension

I'm a programmer, and I find Mac's QuickLook a really great feature for quickly becoming familiar with a particular code base. Basically, I open up a Finder window in the directory where my code ...
9
votes
2answers
1k views

Is there an .ogg plugin for quicklook?

Is there one of these? I could not find one with a basic search on google. If not, is it possible to make it look and behave exactly like the default audio quicklook in objective-C?
9
votes
1answer
965 views

Are there QuickLook plugins that show more details about Applications? (.app)

Is there a better QuickLook plugin than the built-in for quicklooking applications? Something that would show more of the info define in Foobar./Contents/Info.plist, like version number and bundle ...
7
votes
2answers
2k views

Customize Quick Look to allow me to view .yml files

I would like to use "space" to preview *.yml files directly out of the finder on Mac OS X. I think I have to tell finder to launch the text file quick view handler for files with that type and this ...
6
votes
4answers
3k views

How do I get syntax highlighting of source code files within Quick Look back in Lion?

Source code files viewed using Quick Look on Snow Leopard had syntax highlighting. Unfortunately the syntax highlighting has disappeared on OS X Lion. Is there a way to get it back?
6
votes
3answers
9k views

Yosemite: Quick Look previews are transparent

Since Yosemite i'm having this strange problem with Quick Look (giving previews of files when pressing the space bar): whenever i preview my files they are displayed transparently. Pretty irritating ...
5
votes
5answers
26k views

This PDF displays with question marks instead of letters

Something is wrong with the rendering of this PDF in Preview (or Quick Look). This is how it looks: I can see it in Adobe Reader on Windows. I'm not sure what font it is using, and I have Office ...
5
votes
2answers
1k views

Quicklook stopped working with xcode's .m and .h file suddenly

A week ago, quicklook stopped working with .m and .h files. Instead, it's showing me a .m or .h thumbnail. I think that day a message box popped up and I didn't read it — I answered the question ...
5
votes
1answer
4k views

Is there a way to completely reset / regenerate Quick Look preferences (system-wide)?

Quick Look fails to work on many file types that actually have Quick Look plugins and I fear that some file clobbering has occurred during my last two OS upgrades. When Quick Look fails, the Quick ...
5
votes
3answers
1k views

QuickLook HTML plugin?

I'm looking for a plugin that will display me the text of HTML files in QuickLook rather than a preview of the rendered HTML. Does anyone know of such a plugin?
4
votes
4answers
9k views

How do I keep QTKitServer (QuickLook Helper) CPU usage from exploding out of control? OR How do I disable QuickLook entirely?

I've been watching lots of .MKVs lately, opened from the Finder. In Column View, when you single-click any file, QuickLook will load a viewable thumbnail into the next column over. This causes ...
4
votes
1answer
892 views

Quick Look won't play sound of .avi files

When I want to use Quick Look to quickly check if an .avi file is corrupt, or if the quality is alright, it does not play the sound anymore. Is there a way to enhance Quick Look with "proper" divx ...
4
votes
1answer
827 views

Is there a Quick Look plug-in for ZIP files?

Is there a Quick Look plug-in that works with ZIP files, and that lists all the files contained in the archive? It is also fine if it list at least some of the files.
4
votes
2answers
2k views

How to add Quick Look support for OpenDocument file formats?

I prefer OpenOffice.org/LibreOffice to MS Office because MS Office is expensive. But OS X Quick View functionality that allows a preview of a file by taping space bar doesn't show an OpenDocument ...
4
votes
1answer
147 views

Select text in a Quick Look window?

Is there any possibility (default write, or something else) to copy text directly from a quick look window? It annoys me that i cannot select and copy text snippets directly from Quick Look. Thanks ...
4
votes
1answer
937 views

How can I activate the text preview in Finder's column view for an arbitrary filetype or document type

I really like the preview functionality that Finder offers in the last column of the column view. However, not all filetypes or document types are associated with a preview. For example when I have ...
4
votes
3answers
372 views

How can I disable media playback in Finder document icons?

I'm on Lion now, and hoped that Apple would have added the option to disable the quick preview buttons on the icons some way. Here's the problem I have: When I click on a video in Finder just to ...
4
votes
1answer
160 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 ...
3
votes
6answers
290 views

Viewer for excel files

Other than openoffice, can you suggest a light free viewer for excel files?
3
votes
1answer
197 views

Can I detach the QuickLook window from the Finder?

I use QuickLook a lot to quickly open PDF files. I like the speed and clutter-free presentation more than using Preview. But unfortunately, it is tied to the Finder and disappears when I change to ...
3
votes
4answers
9k views

Mac OS X 10.8 QuickLook Causing CPU & Temperature Spikes

I have consistently been having a problem with my computer overheating due to random processes using 100%+ CPU. Commonly the problem occurs with the process QuickLookSatellite-general, but it is not ...
3
votes
1answer
365 views

How can I see which QuickLook plugin is responsible for which data type?

Sometimes, QuickLook doesn't work right with certain file types, even though it should. Or a file now looks different in QuickLook than it used to. How to find out which QuickLook plugin, or ...
3
votes
2answers
2k views

Video (.mp4) playing in QuickTime but not in Finder Quick Look or iTunes

I just used ffmpeg to convert a video file's container from .mkv to mp4 (just changed the container; didn't re-encode). The resulting mp4 vid plays well on QuickTime and am very pleased with the ...
3
votes
3answers
1k views

Quicklook is broken in Lion

[Turns out this is known bug #9536151] I have a strange issue with Quicklook in Lion. This is on a clean install and happens with more than one user. It also isn't fixed if I clean out the Quicklook ...
3
votes
1answer
451 views

QuickLook stopped working

What might cause quicklook to 'freeze', as it were. quicklook has gone south to some degree, some files are QL-able, other not, and we're speaking of the apple plug-in type (pdfs, txt, jpg, etc.) ...
3
votes
1answer
51 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?
3
votes
1answer
207 views

Non-debug qlmanage

I've got a bash alias set up in my terminal, alias quicklook='qlmanage -p ', in order to easily quicklook files from the terminal, but the output bugs me. Testing Quick Look preview with files: ...
3
votes
1answer
108 views

What formats does Quick Look for iOS support for presenting 3D information?

I want to present some 3D models to my clients via email. I don't know what apps they have installed and I can't have then install any apps, most of them have a strict app policy. What 3D formats ...
3
votes
2answers
717 views

Enable Quick Look for text files without the .txt extension

Doing Quick Look on .txt files if very convenient (select in Finder and press space). Is there a way to enable Quick Look for other text files which don't have the .txt extension (e.g., .strings ...
3
votes
1answer
130 views

Quick Look keeps popping up

I use the spacebar to preview some files with Quick Look and when I'm done with it I close the preview window. Sometimes when I change desktops the preview window will pop up again (empty) and when I ...
2
votes
2answers
498 views

Copying text from a file using Quick Look?

Anyone know of a way to simply select and copy text from a file open in Quick Look? Our project managers really enjoy sending out change requests as attached .doc files, and I'd really love to be ...
2
votes
2answers
675 views

Is it possible to extend Quick Look to support h.265?

H.265 (or HEVC) is the official successor to H.264, with a significant reduction in bitrate for the same picture quality. However it's not supported widely yet, including in Quicktime, iTunes or ...
2
votes
2answers
2k views

For applications that do not store Quick Look information within the file, where does Lion (or a Server) store that information?

Some applications can store Quick Look information (previews and thumbnails) within the file. Others can not. Two aspects to this question For a file that is local and without integral Quick Look ...
2
votes
5answers
950 views

Can Quick Look be made into an application to preview URLs in apps like Twitter?

Lion's improved Quick Look can now preview web pages. The full screen view and quick launching make it superb for peeking at a web page without having to launch a browser; which, in my case, always ...
2
votes
1answer
224 views

Print .docx without Pages.app

Sometimes I simply want to print Microsoft Word documents. If I view them in Quick Look, they display as I would like to print them. However, when I try to print them from the Finder, it opens ...
2
votes
2answers
2k views

Updating to OS X 10.10.2 broke Quick Look previews for HTML files

After updating to OS X 10.10.2, I can no longer use Quick Look on HTML files – I just get a blank preview window, and the issue persists through a reboot. But all other files types work fine. Is ...
2
votes
3answers
627 views

QuickLook set app to display preview

Is it possible to set the app that displays the QuickLook preview in OS X? I'm developing iOS apps and I have Xcode installed, but when I open the QuickLook preview of a Source-Code file, the ...
2
votes
1answer
668 views

How to add custom extension for QuickLook?

Does anybody know of a method of previewing .WebM files in QuickLook? I've searched on google but didn't find anything helpful.
2
votes
1answer
139 views

Can I tag a file from Quick Look?

I'd be able to very quickly tag a bunch of photos for later processing.
2
votes
1answer
113 views

Activating Quick Look Using The Trackpad In OS X?

Quick Look is very useful when wanting to preview documents and files without opening them in separate applications. I know that you can trigger Quick Look by highlighting a file in Finder and ...
2
votes
2answers
52 views
+50

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 ...
2
votes
2answers
233 views

Feasible to check out XML file from QuickLook?

How can I use QuickLook to check out XML file? I just want to quickly check out the contents of a file and don't have to open it in a format that can be subsequently modified, such as in TextEdit or ...
2
votes
2answers
351 views

Perian gave Finder broken 'click to preview' UI feature. Now, how do I get rid of it?

I understand that Perian is (a) not being developed by its creators anymore and (b) it doesn't work on 10.9/Mavericks even though someone appears to releasing updates to it on GitHub (gathering from ...
2
votes
2answers
843 views

Default list of Quicklook Plugins for a fresh LION install? What QL plugins “should be” in /System/Library/Quicklook/?

This is an easy one for you all. I simply need people to list what Quicklook plugins they have installed in /System/Library/QuickLook. I ask because I have a QL plugin named: Icon.qlgenerator in my ...