How to Convert M4V to MP4 on Windows & Mac & Online (7 Quick and Easy Ways)

By Cecilia Hwung | Last Update:

What's the necessary of converting M4V to MP4? As a member of the closed iOS ecosystems, M4V is primarily used for storing the free or paid videos that you get from the iTunes Store and is constrained to play on iTunes and QuickTime Player in theory. However, there are bound to be times you want your M4V movies or TV shows to be available on an Android smartphone, Samsung TVs, Chromecast, Windows 10 PC, and other devices in your arsenal. And unlike the M4V file that can only be recognized by limited devices, MP4 can play on all prevalent devices and media players. Thus, by converting M4V files to MP4, you can enjoy the favored iTunes movies or TV shows everywhere.

In this article, we'll cover how to convert M4V to MP4 on all major operating system including Windows 10, macOS Catalina, and more. We are going to walk you through easiest and quickest 7 methods among the tons of options out there.

The Fastest and Easiest Way to Turn M4V to MP4 - Use VideoProc

VideoProc is without a doubt the best M4V to MP4 converter that you can download on Windows and Mac for free. Beginners can make usage of the tons of ready-made profiles to convert M4V to MP4 or other formats within a simple click. Advanced users are not left out in the cold either as this flexible video file converter provides with a raft of options to adjust the video parameters. The really shine feature of this amazing M4V to MP4 converter is the support of level-3 GPU acceleration tech which lets you convert M4V to MP4 at speed up to 47X faster than the real-time playback.

Some Killer Features of VideoProc M4V to MP4 Converter:

  • Batch remux or convert M4V files to MP4, MKV, AVI, and another 420+ formats [No Quality Loss]
  • It is the fastest solution to turn M4V to MP4 thanks to the support of GPU acceleration tech.
  • Easily customize the video properties and metadata information for the exported MP4 video.
  • Enable to covert the DRM protected M4V to MP4 when working with DearMob iPhone Manager.
  • It's also a versatile video editor, robust movie downloader, losslessly video compressor…

How to Convert M4V to MP4 in One Click?

Step 1: Import the M4V video(s).

After free download and install VideoProc on your PC or Mac. Launch it up. Click on Video, hit + Video, and then you select one or multiple M4V files to this handy M4V to MP4 converter. Alternatively, you can directly select the source M4V files and drag & drop them to the main interface.

Suppose you need to convert DRM protected M4V videos to MP4, you then need to work with DearMob iPhone Manager to remove the DRM protection.

Step 2: Set MP4 as the output format.

M4V to MP4 VideoProc

Navigate to the bottom of the main interface to find H.264 MP4, HEVC MP4, and a few other options that take MP4 as the container format. You can choose either of them to achieve the purpose of changing M4V to MP4.

Suppose you need to tweak up the parameters of videos, hit the gear icon on the top right of the MP4 option to enter the property setting tab. In the new tab, you can customize video quality, bitrate, resolution, sample rate, aspect ratio, and many other things.

Step 3: Convert M4V to MP4.

Once you've applied the needed settings, click on Done and hit Run to enable VideoProc to start to convert M4V to MP4.

How to Convert M4V to MP4 for Free: 4 Methods

Don't want to fork hard-earned cash to convert M4V to MP4? Luckily, there are tons of free tools that help you to get there which is great, except that… they are all useless to handle DRM protected M4V and mostly are hard to use. Take a look at the below table, you'll understand what I say.

  The Utilized Tool Cross Platform Fast Render Ease of Use Additioanl Features

Free Method 1

VLC media player

Compress, record, crop, motion blur…

Free Method 2


Compress, crop, deblock, sharpen, flip…

Free Method 3

Prism Video Converter

Cut, split, rotae, watermark, overlay

Free Method 4


It depends

Cut, trim, filter, split, and everything else.

Free Method 1: Change M4V to MP4 via VLC media player

VLC media player, designed as a multiple media player, is also capable of accomplishing simple video conversion, compression, and edits jobs. Then can VLC convert M4V to MP4? The answer is: Yes, absolutely. Here's how:

How to Convert M4V to MP4 with VLC media player?

Step 1: Install VLC media player.

Go to the official site of the VLC media player to download and install it on your PC, Mac, or Linux machine.

Step 2: Import the M4V files.

Import M4V to VLC

Click on the VLC icon on your computer to launch it up. Go to its top menu, click on Media, and hit Convert/Save. On the new tab, choose Add, pick up the M4V file that you need to convert to MP4 from your computer, and then select Convert/Save.

Step 3: Customize the exported MP4 profile.

On the new panel, navigate to the drop-down list of Profile to find out over 20 presets provided by the VLC media player. Since you need to convert M4V to MP4, there you should choose Video – H.264 + MP3(MP4) or Video – H.265 + MP3(MP4). The previous option high better compatibility, while the latter can minimize the storage space taken by the output MP4 file.

VLC Convert M4V to MP4

Advanced users can click on the grey tool icon to enter the Profile edition panel. There you can click on Video codec to change the bitrate, quality, frame rate, resolution, filters... By clicking on Audio codec or Subtitles, you will enter the panel for changing audio parameters or subtitles.

We don't advise beginners to customize the output formats as there are some video and audio codecs only wrapped by particular containers, but VLC media player won't exclude the incompatible video codecs from the available codec lists. This may lead to plenty of errors. For instance, you are allowed to choose the VP8 codec when you choose MP4 as the capsule format, but VP8 should only be included d in the WEBM container. Finally, you're going to get an unplayable video file.

Step 4: Activate VLC to convert M4V to MP4.

Click on Save. Select Browser to set an output folder. Hit Start to activate VLC media player transcoding M4V to MP4.

Downsides of Converting M4V to MP4 with VLC media player:

  • Won't convert DRM protected M4V to MP4.
  • Consum over 80% CPU resource when the conversion comes with the change in the codec.
  • Lack presets for specfic devices or socia medias.

Free Method 2: Convert M4V Videos to MP4 files with HandBrake

HandBrake is an open-source and cross-platform program. With an extensive list of conversion features, it is one of the most feature-rich video converters in the market. So can HandBrake convert M4V to MP4? Yes. HandBrake not just lets you convert M4V to MP4, but also allows you to transcode MP4, MKV, and a lot of other videos to M4V.

How to Convert M4V to MP4 via HandBrake?

Step 1: Import M4V file from your computer.

Once you install HandBrake on your Windows 10, Mac, or Linux, open it up. Drag the M4V files to its main interface. You can also hit on Folder (batch scan) or File to import the folder contained M4V files or load up the individual M4V file.

Step 2: Change the default setting.

Handbrake AVI to MP4

HandBrake automatically saves videos that come with AV3 audio, SRT subtitles, or chapter markets as M4V files. Then how to change HandBrake format from m4v to mp4? Kindly go to Tools, choose Preference, and change the setting of MP4 File Extension from automatically to Always use MP4.

Step 3: Select the output file type.

Go back to the main interface of HandBrake, choose MP4 as the Format. If necessary, you can hit Dimensions to change the video length and width pixels, choose Filters to denoise/deblock/rotate M4V videos, tap Video or Audio to change codec related parameters…

Step 4: Receive the MP4 output.

Tap Browse to designate the output file folder. After that, you hit Start Encode to let HandBrake converting M4V to MP4 on your Windows, Mac, or Linux system.

Downsides of Converting M4V to MP4 with HandBrake:

  • May eat up your CPU and memory resource when you convert the M4V to H.265 MP4 or MPEG-2/4 MP4.
  • The non-user-friendly interface is reminiscent of some 80S things.
  • You are only allowed to convert M4V to MKV, MP4, and WebM.
  • DRM protected M4V iTunes can't be transcoded to MP4.

Free Method 3: Convert M4V to MP4 on Windows 10 via Prism Free Video Converter

Prism Free Video Converter comes with an easy to navigate exterior which enables you easily transcode or remux from M4V to MP4. A standout feature of Prism Free Video Converter is the support of GPU acceleration tech. And this allows you to turn M4V to H.264/H.265/MPEG4 MP4 without blasting up the CPU resource. It's quite unfortunate that this free video converter only works on Windows, but hey, it's free, so we can't judge.

How to Convert M4V to MP4 in Prism Free Video Converter?

Step 1: Feed the M4V file to this M4V to MP4 converter.

Click on Add Files to feed in the source M4V files from your computer to Prism Free Video Converter.

Step 2: Customize the conversion from M4V to MP4.

Handbrake AVI to MP4

Navigate to the bottom of the main interface and find the option box of Output Format and choose .mp4. This will lead you to a new File Options panel. There you can change the compressor from the default H264 to H265 or MPEG4. Since H264 is one of the most compatible formats, you can keep this value as default.

If you want to change the video resolution, hit Video Output Options, and change the value of Width and Height.

Step 3: Start the conversion.

Tap OK to confirm the settings on the File Option panel. Click Browse to choose the folder used for holding the exported MP4 file. Hit Convert to enable Prism Free Video Converter to convert M4V to MP4 on Windows 10 or other recent Windows machines.

Downsides of Converting M4V to MP4 with Prism Free Video Converter:

  • The option to define specific values for video bitrate, sample rate, and other properties are absent.
  • Lack of support for generating 9:16, 1:1, and many regular aspect ratios.
  • Slow response when I convert the H.264 M4V file to another codec like MPEG4 MP4.
  • Refuse to work with the purchased iTunes M4V files that are encrypted by Apple.

Free Method 4: Convert M4V Files to MP4 Formats by Using FFmpeg

Very probably, you've already got benefit from FFmpeg though you might not have heard about it before. This is because a lot of open sources and commercial programs including VLC media player, HandBrake, and FFworks are using FFmpeg behind the screen.

How to Convert M4V to MP4 by Using FFmpeg?

Step 1: Install FFmpeg on your computer or mac.

On Windows:

  • Go to the FFmpeg download site on your browser. Hit the blue Windows, hit Windows builds from to acquire the links for different versions of FFmpeg Windows build. You can click on either one of the available variations to download.
  • Extract the contents included in FFmpeg.exe with 7zip.
  • Go to your system directory which usually could be found on the C: folder, create a new folder and name it as FFmpeg.
  • Paste all the files extracted from the FFmpeg.exe to the newly created FFmpeg folder.
  • Go to My Computer, choose Properties, hit Advanced system settings, click on Environmental Variables, and choose New. Here you need to define the variable name as Path, and set the Variable value as C:/FFmpeg/bin.
  • Once you finished the steps, hit OK.
Install FFmpeg on Windows

On Mac:

  • Running the below code line on your Terminal:
  • $ /usr/bin/ruby -e "$(curl –fsSL"
  • Enter $ brew install ffmpeg on the Terminal to install FFmpeg on Mac.

Step 2: Get FFmpeg ready to make the conversion.

  • On Windows: Press Windows Key and R, and enter CMD to launch up the Command Prompt in administrator mode. Input ffmpeg-version and tap Enter.
  • On Mac: Press on Space and input clear to clear the Terminal.

Step 3: Convert M4V to MP4.

FFmpeg Convert M4V to MP4

Hit the space, input cd, press space, and then paste the path of the source video there. Press Enter again.
Enter ffmpeg -i input.m4v out.mp4, then press Enter.
For instance, the name of my source file is test. Then there I should input ffmpeg –i "test.m4v" out.mp4.

Downsides of Converting M4V to MP4 with FFmpeg:

  • As a command-line tool that doesn't come with GUI, FFmpeg is not for non-engineers.
  • It's only capable of converting non protected M4V to MP4.

How to Convert M4V to MP4 Online: 2 Methods

In this part, you're going to learn the best 2 online converters that help to convert M4V video to MP4 file without installing the third-party software. That sounds good. However, unlike VideoProc that allows you to convert encrypted M4V to MP4 and 420+ other prevalent video or audio formats, online M4V to MP4 converters always come with many limits. Anyway, let's firstly take a quick view of their performances and restrictions in the below table.

  The Utilized Tool No Size Limit No Ad Intrusion Low Reliance on Networks Convert Encrypted M4V Supported Output Media Formats

Online Method 1



19+ commone formats including FLV, MOV, MKV, WMV, and MP4, etc.

Online Method 2


15+ regular audio and video formats, as like, AVI, FLV, and WEBM

Online Method 1: Convert Unprotected M4V to MP4 with Freeconvert

Freeconvert is a web-based functional video processor that can be used to compress or convert video, audio, ebook document, and picture files. Converting your video file from M4V to MP4 with it is a breeze thanks to the simple interface.

How to Convert M4V to MP4 Online by Using Freeconvert?

Step 1: Import the M4V file to Freeconvert.

Open up the official site of Freeconvert, hit Choose File, and select the source M4V files for uploading.

Step 2: Customize the output MP4 video.

Freeconvert M4V to MP4

MP4 is the default output video format, so we don't need to manually change the exported format.
Hit the gray gear icon to enter a new panel named Video Options. It's the place to change video properties including video codecs, screen size, aspect ratio, and frame rate. Some nice editing utilities are available for cutting, rotating, flipping, and subtitling your videos.

Step 3: Apply your settings and start the conversion.

Hit Apply to All Files if you are converting M4V to MP4 in batch. Otherwise, you just need to hit Apply Settings.
Hit Convert to MP4 on the main page. Now Freecovnert begins to convert M4V to MP4.

Downsides of Converting M4V to MP4 with Freeconvert:

• Too many pop-up ads.
• Take forever to convert M4V to MP4 when you're in a poor network environment.
• The M4V file with a size larger than 1GB is not accepted.
• Useless to transcode encrypted M4V movies, music videos, or TV series to MP4.

Online Method 2: Convert M4V to MP4 Online with Cloudconvert

Cloudconvert, as its name implied, allows you to convert videos that are coming from Google Drive, Dropbox, OneDrives, URL, or computer. It is a fairly simple M4V to MP4 converter while still giving you all the necessary options to customize the output MP4 file.

How to Convert M4V to MP4 Online via Cloudconvert?

Step 1: Add your M4V file.

After you enter the official site of Cloudconvert, hit the red rectangle button to add up your M4V video.

Step 2: Assign MP4 as the export format.

Cloudconvert M4V to MP4

Expand the Convert to option and select MP4. This will activate the tool feature. Tap the tool icon to enter the Options panel. Here you can set Video Codec as x264/x265/copy, change the constant frame rate value, define the conversion speed, change the length and width of the M4V video, and more.
Hit Okay to exit the settings.

Step 3: Change M4V to MP4.

Tap the Convert button to enable this online M4V to MP4 converter starting to transcode or remux M4V to MP4 video.

Downsides of Converting M4V to MP4 with Cloudconvert:

• The conversion speed is highly impacted by the current network condition.
• A free account is constrained to make 25 conversions per day.
• Not support to convert DRM protected M4V to MP4.


Is M4V the same as MP4?

M4V doesn't equal MP4. M4V can be regarded as the derivation of MP4 that shares some similarities with MP4. For instance, they are container formats used for MP3, AAC, AC-3, and other audio codecs. Both are capable of holding the H.264 video codec, etc.

What is the difference between M4V and MP4?

M4V vs MP4 - Proprietor/Developer
M4V: Apple.
MP4: MPEG (Motion Pictures Expert Group).

M4V vs MP4 - Video Formats Supported
M4V: H.264.
MP4: H.265/HEVC, H.264/MPEG-4 AVC, MPEG-4 ASP, and MPEG-2 Part 2, etc.

M4V vs MP4 - Supported Devices or Media Players.
M4V: Apple devices, iTunes, and QuickTime Player.
MP4: Almost all popular devices and media players including iPhone, Samsung phones, computers, and VLC media player, etc.

How to view M4V on Windows 10?

Though M4V videos theoretically only play on Apple devices, there are still chances that you can view them with Windows Media Player. Thus, you should first try out playing M4V with that Windows built-in media player. If it doesn't work, you need to convert the M4V movies to MP4 format on Windows 10 by using an M4V to MP4 converter. Suppose the M4V media comes with copyright protection, then you have to work with DearMob iPhone manager to remove the DRM protection first, and then convert it to MP4 with VideoProc.

How to convert M4V to MP4 on Mac?

To convert M4V to MP4 on Mac, you need a decent video converter. VideoProc and HandBrake are the best 2 showcases of such tools. Here I demonstrate how to convert M4V to MP4 on Mac with VideoProc since it's is easier than HandBrake.

1. After this functional M4V to MP4 converter on Mac, open it up and hit Video > +Video to import the M4V video.
2. Choose H.264 MP4 as the Target Format and hit Run.

# About The Author

Cecilia Hwung is the marketing manager of Digiarty Software and the editor-in-chief of VideoProc team. She pursues common progress with her team and expects to share more creative content and useful information to readers. She has strong interest in copywriting and rich experience in video editing tips.

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