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How to Convert M4V to MP4 Mac or Windows 10?

Many source M4V videos come from iTunes, iPhone, iPad and other iDevices. Apple developed M4V video format, which is protected by Apple FairPlay DRM copyright protection and then only played in iTunes or iOS devices. Converting M4V to MP4 is a good way to get better compatibility as MP4 wins in consideration of the popularity among both Apple and non-Apple devices. Therefore, quite a lot devices such as Android phones, smart TVs and PSP can play M4V files.

Way 1. Convert M4V to MP4 with Professional M4V to MP4 Converter

Some users recommend open-source software HandBrake or online tool for M4V to MP4 conversion, but as a matter of fact, there’s a much better choice – WinX HD Video Converter Deluxe. Tailor-made as a professional multimedia format converter, WinX HD Video Converter Deluxe delivers at least 5X faster conversion speed by taking full advantage of QSV & CUDA/NVENC hardware acceleration tech and multiple CPU cores. That assures a fast and high-quality M4V to MP4 or MP4 to M4V conversion.

How to convert M4V to MP4 on Mac/Windows 10 with WinX HD Video Converter Deluxe

Step 1. Download, install and launch WinX HD Video Converter Deluxe on Mac or Windows.

Step 2. Load your source M4V video. Open the program, click the "+ Video" button and import the source M4V video file.

Step 3. Choose MP4 as output format. After the video is loaded, an Output Profile window appears. Select "MP4 Video" as the output video format and click the OK button to save the change.

Step 4. Convert M4V to MP4. Click RUN button on the interface to start M4V to MP4 conversion. You can view the whole conversion progress and stop it at any time.

Convert M4V to MP4
Convert M4V to MP4 with WinX HD Video Converter Deluxe

Setting tips:

  • Click Codec Option icon to reset the video audio parameters by default as you like, including codec, resolution, bitrate, aspect ratio, frame ratio, channel, and sample rate.
  • Select Edit Video Tab to cut, crop, rotate, flip video and add subtitle, watermark or effects.
  • Select Name & Tag icon to reset video title, artist, genre or set a cover for the video.
  • Click Browse icon to select a certain destination folder to save your converted video in MP4 format.
  • Check "Use High Quality Engine" and "Deinterlacing" to optimize the video quality, "Hardware Acceleration Engine" to speed up video conversion, "Merge" to merge several videos into a single one.

Way 2. Convert M4V to MP4 with Online Service

Online services are also good M4V to MP4 converters, and there are numerous choices you can choose from. Working with web browsers and no installation, you can just upload your M4V file, select MP4 as the output format and then start converting on both Mac and Windows 10. Like the desktop software, you can also choose video resolution, output quality, FPS, aspect ratio, etc. and do some simple editing to the output MP4 file. Despite the convenience, you should know that privacy is not assured if your video is private as all of the online video converters will keep users’ videos at least 2 hours before deleting.

You have tons of choices to choose from, and the top 5 are CloudConvert, FreeConvert, ConvertFiles, Convertio, and Online-Convert. Here, we take CloudConvert as an example to show you how to convert M4V to MP4 with online services.

How to convert M4V to MP4 online

Step 1. Visit CloudConvert M4V to MP4 page: https://cloudconvert.com/m4v-to-mp4, and click on "Select File" to choose an M4V file to upload. You can select the file from computer, Google Drive, Dropbox, OneDrive, or by URL.

Step 2. After that, simply choose MP4 next to "Convert to" option.

Step 3. Hit red "Convert button" to start conversion.

CloudConvert M4V to MP4 Converter
CloudConvert M4V to MP4 Converter

Note: You may need some time to wait for the upload process. The bigger your M4V file size is, the longer the upload time is. So, compress video for web to smaller file size is suggested to reduce the upload time.

Way 3. Convert M4V to MP4 Free with HandBrake

HandBrake is always the first choice if you need a totally free tool. As the most popular open-source video transcoder, it satisfies nearly all the video conversion needs including M4V to MP4, MOV to MP4, MKV to MP4, etc. As long as the contents don’t contain any copy protection, you can convert M4V file to MP4 format or any other formats easily and quickly. Several presets are prepared for you to directly convert videos to Dicord, Gmail, Vimeo, YouTube, Android, Apple, Chromecast, Playstation, Roku, Xbox, etc. in 480p, 720p, 1080p, or 4K in a click. If needed, there are also advanced options for you to customize videos manually.

How to use HandBrake to convert M4V to MP4

Step 1. Free download HandBrake from its official website, install and launch it on your Mac or Windows 10 PC.

Step 2. On the main UI, simply click "File" to add a single M4V video file, or click "Folder" to batch scan files.

Step 3. After adding, choose "MP4" from the drop-down menu of "Format" option.

Step 4. Click "Browse" button to choose a destination folder to save the converted file.

Step 5. Click "Start Encode" button to start M4V to MP4 conversion with HandBrake.

HandBrake M4V to MP4
HandBrake M4V to MP4

Note: HandBrake can automatically save MP4 video files with .m4v extension when users pass-through audio, use SRT subtitles, or have chapter markers enabled. You can directly rename .m4v to .mp4, but QuickTime and QT may fail to recognize the .mp4 video file. DRM-ed M4V videos and movies are not supported in HandBrake.

Way 4. Convert M4V to MP4 Free with VLC

Another free option is VLC media player. Though VLC is born to be a multi-media player, it can be used as a free video converter to convert files to MP4 and some other popular formats, including WebM, TS, OGG, ASF, etc, for iPhone, Android, TV, or YouTube. However, as it’s not a professional video converter but a video player, the conversion performance is not very good.

How to convert M4V to MP4 with VLC

Step 1. Take VLC Windows as an example. Simply download, install and launch it on your Windows 10 PC.

Step 2. On the main UI, click "Media" on the top bar and choose "Convert/Save".

Step 3. On the pop-up window, switch to "File" and click "Add" button to add your M4V file and then click "Convert/Save" button in the bottom of this window.

Step 4. In the new window, choose "Video – H.264 + MP3 (MP4)" or "Video – H.265 + MP3 (MP4)" from the drop-down menu of Profile option.

Step 5. Finally, hit "Start" button.

VLC M4V to MP4
VLC M4V to MP4


The above 4 methods are the commonest ones people use to convert M4V to MP4 and between other video formats. If you need fast speed and high quality especially when you are processing a 4K video, WinX HD Video Converter Deluxe is the top option. If you don’t want any installation, online video converters are first choices to go. VLC is the free tool for direct MP4 playback after M4V to MP4 conversion, and HandBrake is recommended most as most people choose it to convert videos for free.

Frequently Asked Questions

1. How do I convert M4V to MP4 for free?

Out the market, there are diverse ways to free convert M4V to MP4. Among them, HandBrake and VLC are the top choices people make use of most frequently. To convert M4V to MP4 with the free tool, simply add M4V, choose MP4 as the output format and then hit "Start" button to start M4V to MP4 conversion.

2. Can I just change M4V to MP4?

Some unprotected .m4v videos can be played on media players by simply renaming its extension name to .mp4, but we suppose you not to do so. Because it may damage the original file structure and ruin the video quality. So, it's the right time to use a solid MP4 video converter for converting M4V to the player device supportable formats, like transcoding M4V to MP4.

3. What is the best M4V to MP4 converter?

Out the market, there are hundreds of M4V to MP4 converters for Mac, Windows 10, online, etc. for you to choose from, including:

  • WinX HD Video Converter Deluxe
  • CloudConvert
  • FreeConvert
  • Movavi Video Converter
  • Wondershare Uniconverter
  • ConvertFiles
  • Convertio
  • Freemake Video Converter
  • Online-Convert
  • ...

What meets your requirements should be claimed as the best M4V to MP4 converter. After comparison, WinX HD Video Converter Deluxe is recommended for its unique Level-3 hardware acceleration for fast conversion speed, High-quality Engine for high-quality output, and support for numerous file types.


Author - Kistent Waung

Kistent Waung twitter icon

Graduated from Nanyang Technological University, Singapore, she employs herself in IT related content creation (since 2013) and happens to perfectly combine her major (computer & science) and her gusto (writing). She's seasoned at offering video audio conversion workarounds and always passionate about new trends, from hot HEVC, 4K to the new AV1 codec.

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