How to Compress A Video on Mac? Top 5 Ways for Video Compression

Posted by Winnie to Video Converter, Edit Video | April 7, 2017
How to compress a video on mac

"I want to compress video files to email - how do I do that on a Mac? I'm using OS X El Capitan version 10.11.3. Thanks."
"I have a monster 4GB folder full of .MOV files shot on an iPhone 6s that I need to compress small enough to fit on two or three 700MB discs - or a 2GB flash drive. How can I compress these .MOV files on my iMac running macOS Sierra?"

Have you ever been at a loss on how to compress a video on Mac? If you're in demand to upload videos online, send your friends videos via email, save videos on smaller hard drive, or simply watch them on iPhone iPad Android, it's inevitable to reduce the size of video on Mac. But how? How to compress a video on macOS? Top 5 ways will be shared in this article along with various excellent video compressors.

Compress 4K/1080P HD Videos on Mac without Losing Quality

MacX Video Converter Pro is a highly recommended video compression software to compress a video on Mac, since it features video compression with parameter adjusting, excellent video editing, batch video conversion, blazing fast speed and no quality loss. Specifically, the awesome Mac HD video compressor (available on macOS 10.5 or above) allows you to:

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[Tutorial] How to Compress A Video on Mac via MacX Video Converter Pro?

Step 1: Load the target video.
Free download the video compressor and launch it on Mac. Load video file by drag and drop or clicking "+" button.
P.s. You are capable of compressing videos on Windows PCs as well, only if you grab the Windows edition video compressor.

Step 2: Choose video format.
As the video imported, there automatically pops up a window for choose output format. MP4 is highly recommended since it owns the merits of efficient compression and wide compatibility. Almost all popular devices accept MP4 formats, which is smaller than formats like AVI, MKV etc.

compress videos on Mac

Step 3: Set parameters to reduce video file size.
Apart from video format, there are various factors that affect video file size as well like resolution, aspect ratio, frame rate, bit rate, length etc. Just click "gear" icon to adjust these parameters on Mac. Here you can compress video for YouTube UHD 1080P, reduce camcorder recording, or compress GoPro videos to iPhone iPad Android, or make a video file smaller for email and so on.

reduce video file size mac

Reasonable parameters setting to compress video to iPhone:

Step 4: Start compressing the video on Mac.
Click "Browse" button to save compressed video on Mac and then hit "RUN" icon to start figuring out how to compress a video on Mac.

Method 2: Compress A Video on Mac via Mac Finder

Mac Finder is the heart of your Mac, which not only manage how you communicate with your Mac but also provide some unforgettable additional features such as effective compression of videos. You're free to reduce video file size without installing any third-party software.

Step 1: Open Mac Finder and locate your video files.

Step 2: Right click to select "Encode Selected Video Files" for video compression.

Step 3:Then there pops up a window noting you to encode media. Make sure to select "Great compatibility" and lower resolution such as 480p, 640p etc.

Mac finder compress videos

Method 3: How to Reduce Video File Size with QuickTime

QuickTime is another Mac users favored tool for how to compress video files on Mac. You may watch videos or even make video with Quicktime, if you can reduce video file size with it, there is nothing better than achieving a lot at a stroke. It's suitable to downsize MOV and reduce MP4 file size Mac.

Step 1: Open the video in QuickTime Player. This is primary for MP4, MOV files.

Step 2: Click File Menu to select Export. This will open a window with several options from various resolution to iPhone iPad devices or iTunes etc. Choose your desired one.

Step 3: Rename your compressed video if you'd like to distinguish between the original and the compressed copy.

Reduce Video File Size with QuickTime

Method 4: How to Compress A Video on Mac by iMovie

If you're at a loss on how to compress a video on Mac, you can turn to iMovie, one of the best video compression software on Mac since it's quick, free, and easy to use. This should take your video file and make it about one half it's original size or smaller depending on what options you choose later. Here we go for reducing MP4 file size via iMovie.

Step 1: Import your video file into iMovie by clicking the "Import Media" button. This step may be slightly different for different versions of iMovie.

Step 2: Click and drag anywhere on the video strip until a yellow box appears.

Step 3: Adjust the size of the box and drag the selected section of video into the large gray area at the bottom of the window.

Step 4: Go to File > Share > File; Lower resolution and Quality to make a smaller file size; Click Next and name the file; then click Save to end the video files compression task.

compress mp4 file size via imovie

Method 5: Compress Video File on Mac with Handbrake

Handbrake, as one of the best Mac apps, is not only talented on ripping DVDs and videos, but also compressing videos on macOS. Below you can find a step-by-step guide for using Handbrake Mac to compress videos.

1. Open Handbrake and load video your file by clicking "Source".

2. Select where you want the transcoded video file to be saved by clicking Browse... And rename your compressed file.

3. Choose video format (MP4), codec, frame rate, bitrate etc. Then click and drag the 'Constant Quality' slider to the left.

4. Click and drag the Encoder Options Preset slider to Slow. If you can, select an option even slower than Slow. The slower your compression settings, the smaller the end result file will be.

5. Click the Start button. You're now starting your video compression.

Handbrake compress video file on Mac

In short, the above 5 solutions are effective for you to compress video files on Mac. You can pick out the most suitable one to have a try. If you have any demands besides compressing video files size on Mac, such as converting videos to any formats, downloading YouTube videos, making photo slideshows, recording online videos and editing videos, MacX Video Converter Pro is your best choice.

Best HD Video Compressor to Compress Videos on Mac

MacX Video Converter Pro, the best HD video compressor solves how to compress a video on Mac flawlessly. It makes a all kinds of video files samller by changing video formats, adjusting video resolution, frame rate, bitrate, or trimming/croping etc.

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How to Compress 4K/1080P HD MP4 MKV MOV to Smaller Size