How to Convert MKV to MP4 with Powerful Converter at Super Fast Speed

As we all know, MKV can be considered as the best open standard container format as it stores several audios, videos and subtitles into one file without compression. However, it still has its own shortcomings and limitations which make it not be compatible with many frequently-used Media Players.

Read this guide, and get the easiest approach to capturing desktop screen, including video and audio on your computer.

So there is a great demand to convert MKV to MP4 and other video formats, such as convert MKV to AVI for sharing on websites on PC/Mac, convert MKV to MOV and other video formats for playing on popular mobile devices like iPhone, iPad Pro/Air/mini and Android devices.

Convert MKV to MP4

Part 1: Best way to convert MKV to MP4

To meet your requirement, this article provides you with the best choice to help you convert your favorite MKV files to MP4 format videos.

Here we recommend you the best MKV to MP4 Converter, which has a well reputation for its convenience to achieve the conversion from MKV to MP4. Besides the main feature to help you convert video formats, this software offers you more functions, for example, you can trim/crop your videos after converting video from MKV to MP4 format. And it allows you to enhance the video effects. What's more, this converter assures you that it converts MKV to MP4 COMPLETELY.

Video Converter Ultimate


Aiseesoft Video Converter Ultimate

  • Convert video (4K/3D included) audio over 1000 formats.
  • You are able to split, trim, merge, crop the video file, as well as personalize the video file with effects and watermark.
  • With the video enhancement function, you can enhance video quality, rotate and flip video angles easily.
Step 1:
Install MKV to MP4 Converter on your computer

Download MKV to MP4 Converter on computer, launch it to convert MKV to MP4.

Install MKV to MP4 Converter
Step 2:
Add MKV file to the program

Click "Add File" to upload the MKV file you want to convert on it, or you can also click "Download" to import the link of online video to download videos from some famous video websites.

Add File
Step 3:
Select output MP4 video format

Click "Profile" to select the output format, you can freely select the format you want, and then click "Convert" to convert MKV to MP4.

Add Files to MKV Convert
Step 4:
Convert MKV to MP4 video

Find "Destination" on the bottom, and click "Browse" to select the destination folder for the converted files. Then click the "Convert" button to convert MKV to MP4.

Just a few seconds later, the original MKV videos will be converted to your needed MP4 files. Many people may pay more attention to the video quality after MKV to MP4 conversion. Here the best MKV to MP4 converting software promises that you can turn MKV into MP4 without losing any quality, in addition, the conversion speed from MKV to MP4 is super-fast which is beyond your imagination.

Extended Reading:

Part 2: More features of MKV to MP4 Converter

1. Convert MKV to MP4, 4K and other formats and vice versa.

It enables you to complete the conversion between different video and audio formats, so that you can quickly convert MP4 to MKV for multiple streams of video and audio, subtitles information that can be included in the MKV format, and extract audio files from videos by converting video formats like MP4/MKV/AVI/FLV to MP3/WAV/FLAC and so on.

Convert FLV to XVID

2. Customize output video settings.

You can improve the video effects by adjusting video brightness, contrast, saturation, hue and volume; trim any video clip by setting its start and end time and remove the black bands on videos; merge multiple clips together; add 3D effects and personal watermark. The built-in player makes it convenient to preview the video effects clearly before the final conversion.

Adjust Profile Settings

3. Highly support.

This MKV to MP4 Converter is the best one for Window10/8/7/XP/Vista computer and Mac to convert Matroska files to MP4 videos and play your favorite 4K/UHD/HEVC movies smoothly on your computer and other media players.

4. Zero quality loss and fast conversion speed.

With its help, you do not worry about the quality degradation after converting your MKV videos to MP4 files. It offers tail-made video transcoding, so that it guarantees a wonderful video quality. And it supports NVIDIA/AMD acceleration technology to bring you 30X converting speed.

Aiseesoft Video Converter Ultimate

Part 3. Free Convert MKV to MP4 with Free Video Converter Online

In the following parts, we will suggest the Free Video Converter Online to help you convert MKV to other popular formats, such as you can use it to convert MKV to AVI/MPEG. It doesn't have various functions, but if the video converting is your only concern, you should try this tool.

Step 1:

Please enter the official page of Aiseesoft Free Video Converter Online.

Step 2:

Next, you need to click the Upload File button to import your MKV files.

Upload MKV File

If your files are less than 50MB, you can use convert MKV to MP4 without logging in. If your files are larger than 50 MB but less then 100 MB, you need to login by clicking the Log in Now button. If your files are larger than 100MB, you can click the Download button to get the converting software that has more features.

Compare Tools
Step 3:

After uploading your MKV file successfully, please select MP4 at the right part of the interface and click the Save button to start converting.

Choose MP4 Save
Step 4:

Wait for a while, your MKV file will be changed to MP4, and you can click the Download button to save the MP4 file to your computer.

Save MP4

Part 4: FAQs of converting MKV to MP4

How do I convert MKV to MP4 with VLC?

Open VLC Media Player, and go to Media > Convert / Save. On the File tab, click Add button to load MKV file. Click Choose Profile and select MP4 as the output format. Then click Convert / Save button to convert the MKV to MP4 in VLC.

Does converting MKV to MP4 losing quality?

Yes. Converting MKV to MP4 does lose quality. If you want to change MKV to MP4 without losing quality, you can use a powerful file converter like Aiseesoft Video Converter Ultimate.

Is MP4 better than MKV?

Considering compatibility, MP4 is widely supported for playing on most of the media players. MKV is more popular for converting Blu-ray and DVD files. For more comparison, you can check the video quality in MKV vs. MP4.


In this article, we talk about the basic steps of changing MKV to MP4 and introduce the excellent converting software to finish the conversion. If you are just looking for the easiest way to convert MKV to MP4, you should really give the software a chance. Just download and try it!

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Convert MKV

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Video Converter Ultimate is excellent video converter, editor and enhancer to convert, enhance and edit videos and music in 1000 formats and more.

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