MKV Converter: How to Convert MKV to MP4 Online Easily

by Christine Smith • Jul 23,2019 • Proven solutions

Convert Other Format to MP4

1. Convert to MP4 on Windows+
  1. 1.1 Convert WMV to MP4
  2. 1.2 Convert WMA to MP4
  3. 1.3 Convert MOV to MP4
  4. 1.4 Convert VOB to MP4
  5. 1.5 Convert Video_TS to MP4
  6. 1.6 Convert VHS to MP4
  7. 1.7 Convert OGG to MP4
  8. 1.8 Convert M4V to MP4
  9. 1.9 Convert IFO to MP4
  10. 1.10 Convert FLV to MP4
  11. 1.11 Convert AVCHD to MP4
  12. 1.12 Convert Windows Movie Maker to MP4
  13. 1.13 Convert Xvid to MP4
  14. 1.14 Convert WTV to MP4
  15. 1.15 Convert WLMP to MP4
  16. 1.16 Convert WEBM to MP4
  17. 1.17 Convert VRO to MP4
  18. 1.18 Convert VLC to MP4
  19. 1.19 Convert TS to MP4
  20. 1.20 Convert SWF to MP4
  21. 1.21 Convert RMVB to MP4
  22. 1.22 Convert OGV to MP4
  23. 1.23 Convert MXF to MP4
  24. 1.24 Convert MTS to MP4
  25. 1.25 Convert MSWMM to MP4
  26. 1.26 Convert MPG to MP4
  27. 1.27 Convert MPEG4 to MP4
  28. 1.28 Convert MPEG/MPEG-1/MPEG-2 to MP4
  29. 1.29 Convert Movies to MP4
  30. 1.30 Convert MOV to MP4 Free
  31. 1.31 Convert MOD to MP4
  32. 1.32 Convert MKV to MP4 Free
  33. 1.33 Convert M2TS to MP4
  34. 1.34 Convert IOS to MP4
  35. 1.35 Convert HDV to MP4
  36. 1.36 Convert HD to MP4
  37. 1.37 Convert Flash to MP4
  38. 1.38 Convert FLAC to MP4
  39. 1.39 Convert F4V to MP4
  40. 1.40 Convert DVR to MP4
  41. 1.41 Convert DV to MP4
  42. 1.42 Convert DivX to MP4
  43. 1.43 Convert DAT to MP4/WMV/MOV
  44. 1.44 Convert ASF to MP4
  45. 1.45 Convert ARF to MP4
  46. 1.46 Convert AC3 to MP4
  47. 1.47 Convert 3GP to MP4
  48. 1.48 Convert iPhone Video to MP4
  49. 1.49 Convert FLV to MP4 Free
2. Convert to MP4 on Mac+
  1. 2.1 Convert WMV to MP4 on Mac
  2. 2.2 Convert VOB to MP4 on Mac
  3. 2.3 Convert SWF to MP4 on Mac
  4. 2.4 Convert MTS to MP4 on Mac
  5. 2.5 Convert MPG to MP4 on Mac
  6. 2.6 Convert MOV to MP4 on Mac
  7. 2.7 Convert MKV to MP4 on Mac
  8. 2.8 Convert M4V to MP4 on Mac
  9. 2.9 Convert FLV to MP4 on Mac
  10. 2.10 Convert AVCHD to MP4 on Mac
3. Convert to MP4 Online+
  1. 3.1 Convert WMV to MP4 Online
  2. 3.2 Convert VOB to MP4 Online
  3. 3.3 Convert SWF to MP4 Online
  4. 3.4 Convert RMVB/RM to MP4 Online
  5. 3.5 Convert MKV to MP4 Online
  6. 3.6 Best MOV to MP4 Converters Online
4. Convert Online Videos to MP4+
  1. 4.1 Convert YouTube to MP4 on Mac
  2. 4.2 YouTube to MP4 Converters
  3. 4.3 Download WWE Match Videos to MP4/3GP
  4. 4.4 Download HD Hip Hop Dance to MP4
  5. 4.5 Download HD Belly Dance Videos to MP4
  6. 4.6 Convert Instagram to MP4
  7. 4.7 Convert Torrent to MP4
  8. 4.8 Convert YouTube to MP4 on Windows/Mac/Online
  9. 4.8 Online Videos Converter to MP4

MKV, which is also known as Matroska, is an advanced multimedia container format that features advanced encoders like H.264 and H.265. An unlimited number of pictures, audio, and subtitle tracks are supported by the format. The format has support for ratings, descriptions, chapter points, and cover art which makes it a preferred choice for carrying and compressing high definition online videos. Though MKV format is gaining popularity over a fews of years, it is still not compatible with an array of players, mobile phones, and other devices, MKV files are heavy and do not support smooth playback. So in all such situations when you wish to play your MKV videos on all types of devices, converting MKV to a more popular and compatible format like MP4 is the best choice. There is a number of programs and MKV converter online, which allows conversion with good quality.

Are you looking for ways on how to convert MKV to MP4 online and through other means? You are bang on the right place. Know the best solutions in the following part of the article.

Part 1. The Reasons You Need to Convert MKV to MP4 Online

There are a number of reasons when you would need to convert MKV file to MP4 online or through other methods. Listed below are some of the most common reasons and situations.

1. MKV format not supported

One of the most common reasons for conversion is the incompatibility of MKV format with a device or a player. If your MKV video does not play on your mobile phone, media player or any other devices due to the audio codec or other issues, you would need to convert MKV files to a more popular format like MP4.

2. Need to clear space on your computer or device

Since MKV are high definition files, they take up a lot of space on your PC or media player. So if you're struggling with storage space, converting MKV files to a smaller size format like MP4 makes sense.

3. Transfer and streaming videos

Being heavy and large in size, MKV videos are difficult to share, transfer and stream over the Internet. So if you want to share your videos on your social networks or other video sharing websites, converting MKV files to MP4 makes the entire process simpler and smoother.

Part 2. 3 Solutions to Convert MKV to MP4 Online with MKV Converters

Not able to play your MKV videos on your player or mobile devices? Instead of struggling to find software to play your MKV videos, converting it to a compatible format seems to be a sensible solution. Online MKV converters prove to be the most simple and straightforward converters that allow to convert MKV to MP4 and other formats without any software download or installation. These online tools are generally free and decent to use. Listed below is the list of top MKV to MP4 converter online.

1. AConvert

This is one of the popularly used MKV to MP4 online converter that is free to use and allows conversion with editing features. The program allows adding a local file as well as its URL and supports an array of popular formats for conversion. AConvert also allows customizing files by changing its frame rate, bit rate, and file size. Once the file is converted, it can be downloaded from the link at the program interface. The video aspect of the file with respect to its height and width can also be changed.

Steps to convert MKV to MP4 using AConvert:

Step 1: Open on your PC browser. Click “Choose file” to browse and add MKV file from PC. File URL can also be added.

Step 2: Select MP4 as the Target format. If you want to customize file, select options related to the bit rate, frame rate, size, and video aspect.

Step 3: Hit “Convert Now!” to start the conversion process.

mp4 converter online AConvert

2. FreeFileConvert

FreeFileConvert is another popularly used online MP4 to MKV converter online that needs no software download or installation. Files can be added to the program interface from PC, URL, Google Drive and Dropbox. An array of video, archive, documents, video and other format types are supported by the converter. Once the files are converted they can be easily downloaded from the link at the converter interface. The program has simple to use interface and allows adding a maximum of 5 files with total 100MB in size.

Steps to convert MKV to MP4 using FreeFileConvert:

Step 1: Open on your PCs browser. Click “Choose file” to add desired MKV file from URL, PC, or cloud storage.

Step 2: Select MP4 as the target format.

Step 3: Click “Convert” to initiating the conversion process.

mkv converter online FreeFileConvert

3. Online Video Converter

Another name in the list of top ways to convert MKV to MP4 online is Online Video Converter. This program supports a wide range of formats for conversion and is compatible with all types of browsers. For using the converter, no installation or registration of software is needed. There is no restriction on the number of conversions and downloaded supported by Online Video Converter. The tool also allows customizing the video quality.

Steps to Convert MKV to MP4 using Online Video Converter:

Step 1: On your PC, launch Hit “SELECT OR DROP FILE” to add MKV file from your PC.

Step 2: Select MP4 as the desired output format. Under “More Settings” you can customize the video quality as per your requirements.

Step 3: Hit “START” to proceed with the conversion process.

Download link for the converted file will be provided at the software interface.

mp4 to mkv online converter

Limitations of MKV to MP4 Converter Online:

MKV converter online is definitely a pocket-friendly and simple way of file conversion. But on the flip side, the method also has its share of associated cons which cannot be ignored. Listed below are some of the limitations for MKV to MP4 Converter Online.

1. Dependent on Internet connection

MKV converter online works directly through the browser and are thus dependent upon the availability and speed of your Internet connection. These converters cannot work offline and thus you need to be connected to a strong internet connection for fast conversion.

2. Limited features:

Most of the MKV to MP4 online converters are free to use and thus have limited features. You can use these converters for basic conversion needs but if you are looking for advanced options then these online tools are not the right choice.

3. File size limitation

Most of the tools to convert MKV to MP4 online have a limitation to file size that can be uploaded to the program interface for conversion. So these converters are good only if your file size is small.

4. Need to add and download file again and again

When you convert MKV file to MP4 online, you have to add individual files at a time as most of the converters do not support batch processing feature. Moreover, after every process, the converted file needs to be downloaded which is a time-consuming process.

5. Slow conversion speed

MKV to MP4 online converters are slow in conversion. These tools may take a lot of time to upload and then convert your desired files. So if you are looking for some fast solution then these tools are not the apt choice.

Part 3. The Best Alternative to Convert MKV File to MP4 Online

Looking for a complete solution to avoid above-listed limitations of converting MKV to MP4? Desktop software is your answer and one such best tool is Wondershare UniConverter (originally Wondershare Video Converter Ultimate). This feature packed program works with your Windows and Mac device to look after all your video-related needs. In addition to MKV to MP4, more than 1000 formats are supported by the program for conversion. So no matter whether you are in search of the best alternative to MKV converter or MP4 converter online, this Wondershare Software is there for you.

The list of benefits below will prove that UniConverter (originally Wondershare Video Converter Ultimate) is an ultimate choice for all your video conversion needs.

Wondershare UniConverter (originally Wondershare Video Converter Ultimate)

Your Complete Video Toolbox

video converter ultimate
  • Support lossless quality MKV to MP4 conversion.
  • Support adding multiple MKV files at a time for batch processing.
  • The software facilitates MKV to MP4 conversion at 30X faster speed with its APEXTRANS technology.
  • Support converting MKV to device-specific formats like Apple, Xbox, and others.
  • Features built-in media editor with functions like cropping, trimming, and others.
  • Facilitates downloading MKV as well as other files from more than 10,000 sites which can be later converted to the desired format.
  • Supporting burning and editing videos to DVD.
  • Allows transferring MKV files and other files to different devices, like iPhone, iPad etc.
  • Supported OS: Windows NT4/2000/2003/XP/Vista/7/8, and Windows 10 (32 bit & 64 bit), Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6
security download Security Verified, 5,481,347 people have downloaded it.

Watch Video Tutorial to Convert MKV to MP4 with Desktop MKV Converter:

Steps to convert MKV to MP4 using Wondershare UniConverter (originally Wondershare Video Converter Ultimate):

Step 1 Launch UniConverter (originally Wondershare Video Converter Ultimate) and load MKV file(s).

Open Wondershare software on your PC/Mac. On the main interface of the software under Convert tab (selected by default), click the drop-down arrow next to +Add Files, Select one from the given options of Add Files or Add Folder to add multiple files at a time.

Launch UniConverter (originally Wondershare Video Converter Ultimate) and load MKV file

Step 2 Select MP4 as target format.

The drop-down arrow next to option of Convert all file to: will open the format and devices supported by the software. Select MP4 format and the resolution from the Video tab as the target format.

Select MP4 as target format

Step 3 Convert MKV files to MP4.

Click Convert All to start the batch conversion of all MKV files to MP4 format. The Output option at the bottom of the interface shows location on PC where converted file is saved. You can edit the location if needed.

Convert MKV to MP4

Tip: If you wish to customize and edit videos before converting, icons related to Trim, Crop and Effect are located below the added video thumbnail. You can select the desired editing tool before starting the conversion process.

Edit MKV videos before conversion

So get excellent videos without any quality issues or audio codec mismatch when you opt for the best professional desktop software – Wondershare UniConverter (originally Wondershare Video Converter Ultimate). Have a free try now.

Christine Smith

chief Editor

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