Running out of space or needing to send files to someone? We'll show you some of the many ways to compress files on your Mac.

One way to save space on your Mac is to compress your files. This allows you to store more files in the same amount of space on your computer.

There are ways to compress different types of files on a Mac. This guide will walk you through the procedures for compressing multiple file types in macOS.

How to compress large files on Mac

Compressing your large files is one of the fastest and easiest ways to compress your files. In addition, the option to create a ZIP file under macOS is integrated directly into the context menu.

Related: How Does File Compression Work?

Just select your files, click an option, and all of the files will be compressed. This is how it works:

  1. Open a Finder window.

  2. Find the files that you want to compress.

  3. Right click on a file or folder and select compress.

  4. macOS creates a ZIP archive in the same folder as your original files.

You will find that the size of your compressed archive is much smaller than the size of your actual individual files.

How to compress a PDF file on Mac

There are many ways to compress a PDF on macOS. One way is to use the built-in preview app to compress your files. The other option is to use a free app from the Mac App Store.

Here we cover both methods.

1. Use Preview to compress a PDF file on a Mac

If you're not ready to install a third-party app, use the preview to compress your PDF files:

  1. Right click on your PDF and choose Open with followed by preview.

  2. Press the file Menu at the top and select export.

  3. In the screen that appears, select Reduce file size of the Quartz filter Drop down menu. Then click save up.

Your output PDF is smaller than the original PDF. Be aware that your compressed and uncompressed PDF files will vary in quality.

2. Compress a PDF file on Mac using a free app

The Mac App Store has a free app called Lightweight PDF that you can use to compress your PDF files.

Here's how you can use this app:

  1. Download and install the Lightweight PDF app on your Mac.

  2. Open the app.

  3. Drag the PDF file to be compressed onto the app surface.

  4. The app should tell you the size of the compressed file.

How to compress Word and other Office documents on Mac

If you want to compress Word or other MS Office documents on Mac, you have several options.

One way is to save your documents in the latest Office document format, which adds an x ​​to the end of the file type. Your apps should use this option by default if you haven't changed it.

Compared to older .doc or similar file formats, the latest .docx and other similar formats use less memory. This is because these formats store your content in a compressed archive.

Another way to compress your Office documents is to change the way you add pictures to your documents. When you copy an image and paste it into your document, it actually enlarges your document. A streamlined way to do this is to use the paste option in your Office apps to add your pictures.

This creates documents that are relatively small.

How to compress a video file on Mac

There are many ways to shrink the size of a video on Mac. Here we cover two of these ways.

1. On Mac, compress a video by lowering the resolution

One way to compress a video is to reduce the resolution of your video. This has a huge impact on the quality of the video. However, if you want to do that, here's how we:

  1. Right click on the video you want to compress and select it Open with followed by QuickTime Player.

  2. Press the file Menu at the top and select Export as.

  3. Various quality options are displayed in the advanced menu. Click on the one you want and your video will use that new resolution. Remember, the lower the resolution, the smaller your video will be.

  4. Beat save up on the following screen to save the compressed video.

2. Compress a video on a Mac with less impact on video quality

The other way to compress a video in macOS is to change the video's file format.

There are certain formats that tend to take up less space while maintaining the quality of the video. You can use any of the video converter apps for macOS to accomplish this task.

In the following steps, we are going to show how to use HandBrake (a free video converter) to compress a video on Mac.

  1. Install HandBrake on your Mac.

  2. Open the app and click File> Open Sourceand add the video to be compressed.

  3. Choose MKV file of the format Drop down menu.

  4. You can also customize other options as you wish.

  5. click Beginning to start compressing your video.

How to Compress MP3 and Other Audio Files on Mac

Audio files are easy to compress. This is because all you have to do is reduce the bit rate for your file, which will reduce the size of the original file. Learn how audio compression works with our comprehensive guide.

Note that this will affect the audio quality. Try not to reduce the bit rate too much and you should be fine.

How to use Audacity (free) to compress MP3 and other audio files in macOS:

  1. Install Audacity on your Mac if you don't already have it.

  2. Open the app and click File> Openand add your audio file.

  3. When the file loads, click File> Export and choose the output format for your compressed file.

  4. Choose constant of the Bit rate mode Options on the resulting screen.

  5. Select a lower bit rate quality Drop down menu. To attempt 128 kbps if you are not sure what to choose. Then click save up.

Shrink file sizes on a Mac

If your files are way too large and you are having trouble saving or sending them to someone, use the methods above to compress your files on your Mac.

To further clean up your storage, you can also use other techniques, such as: B. the size of your Mac backups.

6 Easy Ways to Reduce Mac Backup Size and Save Disk Space

If you run out of space for your Mac backups, these tips can help you reduce the size and streamline the process.

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About the author

Mahesh Makvana
(214 articles published)

Mahesh is a tech writer at MakeUseOf. He has been writing technical guides for about 8 years and has covered many subjects. He loves teaching people how to get the most out of their devices.

From Mahesh Makvana

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