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Best MOV to MP4 Converter for Mac: Convert MOV to MP4 without Losing Quality

MOV is a popular format which is widely adopted by iPhone, Canon, Nikon, Final Cut Pro, iMovie, and more devices and programs. But when you try to upload an MOV video to YouTube or Facebook or try to play MOV file on Android, you may be told that your file is not accepted. So that's why we need to convert MOV to MP4 which format provides better compatibility.

In this article, we'll share you 4 best free MOV to MP4 converters for Mac.

Convert mov to mp4 format
Convert mov to mp4 format

MacX Video Converter Free Edition

MacX Video Converter Free Edition is the first professional free MOV to MP4 converter I want to recommend to Mac users. With 320+ video and 50+ audio codecs, this Mac video converter enables you to convert almost all the videos including MOV to MP4, MOV, MKV, AVI, FLV, WMV, etc. 180+ video and 14+ audio output formats are supported.

It lets you convert MOV to MP4 with H264, MPEG-4, H265 video codec without affecting video quality, on account of its built-in High Quality Engine, de-interlacing tech, LQ-HQ slide bar and quality-related parameters (bit rate, frame rate, resolution) adjustment.

And its advanced Multi-core CPU (up to 8) utilities can assign once one CPU's work to current several CPUs (maximum at 8) to work simultaneously and another hyper-threading tech enables multiple threads to run on each CPU core, which will dramatically accelerate the MOV to MP4 conversion speed. That's not the whole story. The latest Intel QSV hardware acceleration tech will activate your computer's hardware acceleration to make video conversion even faster.

How to Fast Convert MOV to MP4 on macOS with High Quality for Free

Step 1: Add MOV Video File

Free download the best MOV to MP4 converter for macOS (macOS Big Sur also supported) if you haven't, run it and click "Add Video" button to import target MOV file. You can also directly drag-drop MOV file into the main interface of this free Mac MOV to MP4 converter.

Step 2: Select MP4 as Output Format

Choose "MP4 Video" as output format from Mac General Video or Mobile Video Profile if you wanna transfer to mobile devices.

Free convert MOV to MP4 on Mac
Free convert MOV to MP4 on Mac

Step 3: Choose Destination Folder

Click "Browse" button to select a destination folder to save the resulting MP4 file.

Step 4: Start to Convert MOV to MP4

Click "RUN" and then it will start converting MOV to MP4. It will finish converting videos quickly.

Tips: Tick "Intel" to activate the Intel QSV hardware acceleration tech to speed up MOV to MP4 conversion speed.
Check the boxes of Use High Quality Engine and Deinterlacing to ensure a high-quality conversion.

MOV to MP4 Conversion Test and Specfic Data

Here we have used a 94.7 MB MOV (H264) video for test, converting MOV (H264) to MP4 (H264). The original MOV file is 4 mins 47s in length and 1280x720 in resolution. Frame rate: 23 fps; bit rate: 2768 kbps. The whole test is based on a 27-inch iMac (2011 Middle) with Yosemite OS and 2.7GHz Intel Core i5 processor.

The test result is that: it takes 38.30 seconds to successfully convert MOV to MP4 on Mac, with 1280x720 resolution, no change on frame rate and video length. A little bit down in bit rate - 2176 kbps, but no visual change in video quality. And the output MP4 file size is only 54.6 MB.

Online Converter

As the best online free converter I have used, I must objectively say it's the second-to-none free online video converter for Mac to convert MOV to MP4.

How to Convert MOV to MP4 with Online Converter

Step 1. Open Online Converter and choose "Convert video to MP4".

Step 2. Upload MOV video files.

Step 3. Press "Convert" button. Then leave the job to this free MOV to MP4 online converter.

Convert MOV to MP4 online free
Convert MOV to MP4 online free

It is simple and pain free to convert MOV to MP4 for Android iOS on Mac/Win.

Multi-purpose for users to convert image, Ebook, document, etc.


Only convert one video each time. 

It is brimming with ads and misleading download buttons.

Conversion speed needs to be improved.

Lossy conversion process. The output MP4 quality is damaged to certain degree.

Conversion procedure is unstable sometimes (network connection also related).

Common Problems with MOV to MP4 Conversion on Mac Using Online Converter

  • The tool fails to recognize the source MOV file.
  • It stutters or even crashes when loading a large size 4K MOV video file.
  • Sometimes users cannot find the output file in inbox.

VLC Player

VLC media player is not only a top rated media player for you to play MOV MP4 files, but also a solid yet free MOV to MP4 converter for macOS. See it can be used to convert quicktime mov to mp4 with solely 4 clicks shown on the picture below. And after MOV to MP4 conversion task is over, you can also play MP4 video within VLC or stream MP4 video from Mac to Apple TV/Windows 10/8 as you want.

Convert MOV to MP4 with VLC
Convert MOV to MP4 with VLC

Change MOV to MP4 as easy as pie.

Play MP4 MOV files with high quality.

Also AirPlay feature to stream MOV MP4 movie videos from iOS/Mac to Apple TV, etc.

Very flexible and lightweight.


User interface is quite basic.

Movie video downloading ability needs improvement.

It couldn't be better if VLC can get a big boost in video conversion speed.

Common Errors with Converting MOV to MP4 Free on macOS via VLC

  • The output file has no audio/sound.
  • The audio is out of sync.
  • No video. Converted MP4 file is a black screen with correct audio.
  • MOV to MP4 (H264, AAC) conversion crashes VLC on Mac.

QuickTime Pro

One more MOV to MP4 video converter for Mac I want to share with you is called QuickTime Pro, which I believe is not strange to you. But how to use QuickTime Pro to compress & convert MOV to MP4? Follow me my friends.

Step 1: Click "File" at the top of your QuickTime Pro, then click "Export" to open up your .mov file.

Step 2: On the pop-up window, select "Movie to MPEG-4". Then press the "Options" button.

Step 3: Opt for "MP4" in the "MPEG-4 Export Settings" dialog-box to choose the codec that you want to use for the compression (also the "Audio" settings can be adjusted as the same).

Step 4: Mouse click on OK until back to the "Save exported file as" window, specify the destination folder to save MP4 file and click "Save". Job's done and leave the rest to QuickTime Pro.

Convert MOV to MP4 with QuickTime
Convert MOV to MP4 with QuickTime

It's easy to use to convert MOV to video formats like MP4 on macOS.

It's multipurpose and can be used to edit MP4 video file.


Cannot extract MP3 audio files from MP4 video.

Only support a limited selection of codecs.

General Errors When Free Converting MOV to MP4 on Mac with QT Pro

  • Error -43: a file could not be found.
  • Error 11821 when converting MOV file to MP4 on Mac.
  • Error message states that it's a file QT Pro doesn't understand - 2048.


Each MOV to MP4 converter mentioned above has its own merits.

The professional free MOV to MP4 video converter for Mac - MacX Video Converter Free Edition - gives the widest codecs support and can aid you to convert MOV to MP4 with the fastest speed and high quality, and meanwhile allows you to reduce video file size so as to get better compatible with your media devices.

The free Online Converter is fabulous for those who want to convert MOV to MP4 without downloading any software. But you have to bear the slow conversion speed and ads.

VLC media Player and QuickTime Pro are also great options to let you free convert MOV video to MP4 as easy as possible. The ointment is that the output MP4 video quality is decreased after video transcoding.

Still have any problem on how to convert MOV to MP4 on macOS, just email us >>