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Convert M4V to MKV Online for Free
Click Add Your Media and upload your M4V file.
Make sure that the output format is set to MKV.
Step 1. Download and install the Movavi converter
How to use a file converter? First, download the version of the software for Microsoft Windows or Macintosh, launch it, and proceed following the on-screen instructions. When the app is installed to your computer, it will run automatically.
Step 2. Add your M4V files
Locate the M4V files you want to convert and drag-and-drop them into the program’s window. The application can convert big batches of files – there’s no limit to how many files you can transfer at once.
Step 3. Select MKV as the output format
In the Formats menu, select the file type you want to turn your media into and choose the target format for the files. Also, you can change the conversion settings: choose a different bitrate, resolution (including HD, Ultra HD, and even 4K), codec, etc. Pay attention to the SuperSpeed label: it indicates that the conversion will be performed with a very high speed and without losing quality.
Step 4. Convert M4V to MKV
To specify the output folder, click the Save to button. Hit the Convert button to launch the process. When the converting is done, the new media files will be saved to the chosen folder.
Now you know how to change the file format using the Movavi converter. WIth this tool, you can also reduce the file size, cut out clips from videos, crop pictures, and create animations from your favorite movies. Get the free trial version and test it out!
What is M4V?
Apple created the M4V file type from the MP4 format. M4V is used to store movies, TV series, and music videos in the iTunes Store. Note that M4V files from the iTunes Store may be copy protected. Some apps allow playback of unprotected M4V files, though. If you have a Windows PC, you can use QuickTime, but many mobile devices don’t fully support M4V. To learn how to avoid compatibility problems, just look through this table.
Based on the MP4 multimedia container format, Apple placed a level of protection on M4V files to prevent unauthorized reproduction. Aside from Apple’s FairPlay DRM copyright protection, files in the M4V format use the H.264 codec, which allows devices to store chapter information. As for sound, M4V uses AC-3 and AAC audio codecs. You won’t be able to play copy-protected files with M4V specifications without authorization, but you may also come across unprotected M4V content. You can open these files using third-party programs by changing the file extension from .m4v to .mp4.
Apple QuickTime Player, Apple iTunes, VLC, and others
What is MKV?
Matroska Multimedia Container
MKV (or Matroska Multimedia Container) is a free, open source video container format created in 2002. It’s officially called Matroska after the Russian matryoshka dolls because all the video, audio, and subtitle tracks are held within a single file. This format enables synchronous playback of audio and video tracks. Since MKV supports a large number of codecs and even uncompressed video, this format retains the original quality, allowing you to enjoy your videos in HD. Check this table if you want to know how to open MKV files and which programs can play them.
.mkv, .mk3d, .mka, .mks
Videos with the MKV file type have a data channel for each type of track, making this format closer to other media containers such as AVI or MP4. A disadvantage of the MKV format is that very few modern programs can play files with these specifications correctly, so users have to install additional applications or codecs, for example, the VLC player or K-Lite Codec Pack.