Best Quick Preview Extensions for macOS

I absolutely love the Quick Preview feature on macOS, which lets you select any file in the Finder, press the spacebar, and see a quick preview of it without opening it. This is great for videos, text files, and even quick navigation between documents. However, Quick Preview does not support all file formats by default.

There are a number of ways you can customize Quick Preview so that it displays other information besides the normal information when you look at the file on your Mac. Here in this article, we have covered some of the extensions that you can use with Quick Preview on your Mac.

Best Quick Preview Extensions for macOS - Mac

What is a quick preview

Quick Preview Provides a fast, full-size preview of almost any file type without opening the file. Just press the spacebar to rotate images, crop audio or video clips, and use Markup to crop images and annotate images or PDFs. You can use a quick preview of items in Finder windows on your desktop, in email messages and messages, and other places.

How to install Quick Preview Extensions

You can install the Quick Preview extensions either using Homebrew or manually. Unless otherwise stated, you must use either of these two methods to install the addon. I’ll include both methods, so even if you don’t have experience with Quick Preview plugins, it will come in handy.

Option 1: Use Homebrew

If you want to use Homebrew to install Quick Preview extensions, first install Homebrew on your Mac by following the instructions from their website. After installing Homebrew, simply open Terminal on your computer and type in the command listed under each extension in the list.

brew cask install <package>

Option 2: Manually install extensions

If you don’t have Homebrew on your computer, you can download the extensions manually. Simply download the extension file by clicking on the link in this list. After the download is complete, move the downloaded file (filename.qlgenerator) to the following directory.


Now, open Terminal and run the following command.

qlmanage -r

Best Quick Preview Extensions

1. QLVideo

Quick Preview supports most video formats natively but does not support newer ones like .mkv And .flv And .webm and so on. QLVideo fixes this problem. This extension also supports a variety of other codecs that are not natively supported by macOS.

Install with Homebrew:

brew cask install qlvideo

Download QLVideo

2. QuickLookASE

If you are a graphic designer or your workflow includes Adobe Swatches, this extension will come in handy. QuickLookASE lets you peek into Adobe color scheme files using Quick Preview.

Install with Homebrew:

brew cask install quicklookase

Download QuickLookASE

3. QuickLookAPK

APK is an Android package and is not natively supported by macOS. If you frequently use your Mac to create Android apps, you may find this extension useful. Which allows you to see the contents of the APK file without any special tool.

Download QuickLookAPK

4. QLS Stephen

If you have a text file that is not natively supported by macOS such as README files, CAP files, JSON files, etc., then QLSstephen is the extension you need.

Install with Homebrew:

brew cask install qlstephen

Download QLSstephen

5. QuickLookAddict

SRT files or otherwise known as subtitles used in videos work normally in media players like VLC but if you want to have a quick look at the file through quick preview, it is not possible locally. QuickLook adds this functionality.

Install with Homebrew:

brew cask install qladdict

Download QuickLookAddict

6. QLIimageSize

When you open an image in quick preview, it displays the file name. However, if you want to see the image size at the top instead of the file name, this extension does just that. This comes in handy when you are getting rid of large images and need to take a quick look at the image size.

Install with Homebrew:

brew cask install qlimagesize mdimagesizemdimporter

Download QLIimageSize

7. BetterZip

While BetterZip started as an extension for Quick Preview, it has evolved into a full-fledged app. You can still choose to use the extension feature and add a quick preview function to the compressed files before extracting the files. Simply download the app using the link below and install it on your system. Then, simply press the spacebar over any zip file to see a preview of it.

Download BetterZip

last words

These were some of the extensions I use to preview files on my Mac. While most files are natively supported and new formats are added with each new update, there are always things Apple ignores and plugins fill in those gaps, well. What do you think of these extensions, let me know in the comments below or connect with me on Twitter?

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