How to Make Files Smaller on Mac

Kyle Wood

Mac, Tutorials

Are you running out of storage space on your Mac? Do you have large files that are taking up too much room?

Don’t worry, there are several ways to make your files smaller on Mac! In this article, we will explore different methods to compress and reduce the size of your files, so you can free up valuable disk space. Let’s get started!

1. Compress Files and Folders

If you have multiple files or a folder that you want to make smaller, the easiest way is to compress them into a single zip file.

This will reduce the overall size without losing any data. To compress files and folders:

  1. Select the files or folder you want to compress.
  2. Right-click on the selection and choose “Compress [selection name]” from the context menu.
  3. A new compressed file with a .zip extension will be created in the same location.

This method is especially useful when you need to send multiple files as attachments via email or upload them to a cloud storage service.

2. Optimize Images

If you have a lot of high-resolution images, they can take up significant disk space.

By optimizing the images, you can reduce their size without compromising much on quality. Here’s how:

  1. Open an image in Preview (the default image viewer on Mac).
  2. Click on “File” in the menu bar and select “Export..”.
  3. Select the desired format (JPEG is usually a good choice for photos) and adjust the quality slider according to your preferences.
  4. Click on “Save” to export the optimized image to a new location.

Repeat this process for all your images, and you’ll notice a significant reduction in file size while still maintaining acceptable image quality.

3. Use File Compression Software

If you have large files that are not compressible or need further reduction, you can use third-party file compression software for better results.

There are several options available, such as The Unarchiver, Keka, and StuffIt Expander. These tools offer advanced compression algorithms that can significantly decrease the size of various file formats.


The availability and functionality of these software may vary, so make sure to research and choose the one that suits your needs best.

4. Delete Unnecessary Files

One of the simplest ways to make your files smaller is by removing unnecessary files from your Mac.

Go through your folders and delete any files that are no longer needed. This could include old documents, temporary files, unused applications, or duplicate files taking up unnecessary space.

You can use Finder’s search feature to locate large files by specifying a file size range. Sorting them by size will help you identify the biggest culprits and decide which ones to delete.


In conclusion, there are multiple ways to make your files smaller on Mac. Whether it’s compressing files and folders, optimizing images, using file compression software, or deleting unnecessary files, these methods will help you reclaim valuable disk space on your Mac. By implementing these techniques regularly, you can keep your storage tidy and ensure smooth performance for your Mac.

Remember, taking care of your files and managing your storage is essential for maintaining an efficient and clutter-free Mac experience!

Android - iPhone - Mac

 © 2023 UI-Transitions

Privacy Policy