How to Convert MKV to MP4 on Mac/Windows/Mobile

Why should you convert MKV to MP4? When you have some large MKV movies, it is not easy to import them to your iPhone or Android phone, not to mention about playing the files on the devices. Whether you need to play MKV on other devices or further edit them, you have to convert MKV to MP4 beforehand. Moreover, MKV is a video container, which might contain multiple video codecs, subtitles, and audio tracks, here you can find the professional MKV to MP4 converters to get the optimal MKV files easily.

Part 1: How to Convert MKV to MP4 on Mac/Windows

Different from the other video formats, you can select the desired audio track and subtitle when you play the MKV files. Instead of changing the video codec like convert MOV to MP4, you have to choose a suitable audio track to play the foreign movie in MKV. Tipard Video Converter Ultimate is the optimal choice to convert MKV to MP4. It not only enables you to extract the desired files but also split the large MKV into different video clips.

Convert MKV to MP4 at Ultrafast Speed

Enable the hardware acceleration with a thunder mark enables you to enjoy the ultrafast conversion and lossless video output, so you can get a final MP4 file with nice quality quickly.

Choose the Optimal Device Presets

If you are confused by the optimal resolution of the device for converting MKV, you can directly jump to the Device section, you can find optimal presets, such as iPhone 13, iPhone SE2, iPad mini, and so on.

Edit Your Video in Effortless Manner

Without switching back and forth to different programs, you can directly edit videos within the program, which allows you to split the video, customize GIFs, create 3D videos, apply filters, etc.

Add External Subtitles and Audio Tracks

It not only extracts the desired subtitle and audio track from the MKV but also enables you to add the suitable one from the Internet. Moreover, you can make them more vivid or replace the original soundtrack.

Step 1: Download and install Video Converter Ultimate, and launch it on your computer. Click Add Files to load the large movie or drag the MKV file to the program directly.

Step 2: Choose the MP4 from the Output Format option. You can adjust the resolution, bitrate, etc. by clicking the Settings button. Moreover, you can also choose the device preset to convert MKV to MP4.

Step 3: Click the Scissors icon to split the large MKV into different clips before converting. After that, you can convert all the video clips into MP4 files. You can import them to smartphones independently.

Step 4: Finally, plese click the pull-down icon to browse and set up the destination folder. You can press the Convert All button to start the MKV to MP4 conversion. Just preview the output file after the conversion.

Part 2: Ways to Convert MKV to MP4 Online

If you only need to convert MKV to MP4 for further editing or use for another device without file size limitations, you can choose the online MKV to MP4 converters instead.

Method 1: FreeConvert – MKV to MP4

FreeConvert is a multimedia converter that supports almost all popular media files and enables you to convert MKV to MP4 quickly. You can upload files up to 1GB for conversion for free and more if you sign up. Whether it is an MKV video stored on the computer or online drives, you can directly upload it within one click.

Step 1: Go to the MP4 Converter section on the FreeConvert website. Click the Choose File button to upload your MKV file.

Step 2: Click the Settings button to adjust the resolution or bitrate. You can also directly click the Convert to MP4 button to start the conversion.

Step 3: Once the whole process is done, you can click the Download MP4 button to save the output file to the computer.

Method 2: CloudConvert – MKV to MP4

CloudConvert is a popular tool that can convert MKV to MP4 online for free and supports nearly all audio, video, document, files from online drives, etc. You can enjoy 10 to 25 times free conversion per day. With an account, you can convert a 25-minute video a day.

Step 1: Enter the CloudConvert website and fill in the converting blank with MKV to MP4.

Step 2: Then choose the Select File button to upload MKV files and click the Convert button to upload and convert.

Step 3: A preview window will show up playing the final MP4 video, then click the Download button below to save it to your computer

Part 3: Guides of Changing MKV to MP4 on iOS/Android

When you need to change some small MKV videos to the compatible video formats on your smartphone, here are two workable MKV to MP4 converters for both iOS and Android.

Method 1: Video Converter, Compressor

Video Converter, Compressor is a free MKV to MP4 converter for Android, which is suitable for beginners with some small MKV files. The free trail of this app is limited in features, but it allows you to simply cut the input MKV videos or extract audio from the videos.

Step 1: Install and start the app on your phone and click the Video Converter button to upload the MKV file.

Step 2: Press the Format section in the first rank and choose MP4 as the output format.

Step 3: Tap the big Convert button to start MKV to MP4 conversion.

Step 4: Normally, the finished MP4 video will appear in the Photos/Gallery, or you can go back and click the Outputs section on the main screen to check.

Method 2: Media Converter

Media Converter is a useful MKV to MP4 converter for iPhone, can not only convert any video formats to MP4 or extract audio files but also has a built-in universal video player. It also enables you to compress files, crop video size, and trim video compensates for this limit.

Step 1: Install and open the application, press the + button above to import MKV videos stored from the Photos app.

Step 2: After that, you can press the Information button with an “i” mark to choose the Convert/Trim tool.

Step 3: In the Format section, you can slide to find the MP4 format and tap the Done button to choose.

Step 4: Tap the Share button to export the MKV movie as MP4 and it will show up in the queue.


It becomes effortless to edit or play MKV video files after converting them to MP4 format. And with the detailed instructions on how to convert MKV to MP4 above, you can surely find a program that is best for you.

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