How to Convert MKV to MP4 without Losing Original Video Quality

Lisa Ou

Feb 03, 2020 17:00 / Posted by Lisa Ou

MKV is a free and popular multimedia container file format, which is widely used for HD videos on the Internet. When you download the MKV video online, you should convert MKV to MP4 to extend the compatibilities. What should you do if you need to preserve the original video quality?

When you need to convert MKV to a high-quality MP4 file, you should learn more about the MKV file format. You can also find the differences between MKV and MP4. Here is the detailed process about how to convert MKV to MP4 format in the article.

How to Convert MKV to MP4 without Losing Original Video Quality

1. What is MKV File

MKV file extension is a Matroska video format, which supports an unlimited number of audio, picture and subtitle tracks. The video and audio codec of MKV, such as H.264, H.265, MP3, AAC and more others all contain high-quality files. When you convert MKV to MP4, you should use the original video and audio codec.

  1. Support multiple language audio files and video streams.
  2. Online streaming to cast video and sound stream to different devices.
  3. Provide creating chapters in a file, show some menu and its data.
  4. Easy and fast seeks for a given time multimedia with a fast seeks.

2. MKV V.S. MP4

Although both MKV and MP4 are multimedia container formats, the two file formats are different in capabilities of encapsulation. Compared to MP4 file format, MKV file supports ASS, SSA and other closed captions, FLAC audio codec and more others. But the MKV files are not compatible with the mobile devices as MP4 files. It should be the main reason that you need to convert MKV to MP4.

Video Compatibility

As the industry standard, MP4 format has a better compatibility than the MKV format in video editing and playback. Most of the video players might support both MKV and MP4. But if you want to upload the videos to your website or online streaming sites, MP4 should be the only choice.

Video/Audio Support

Usually the MP4 files contain H.264/Xvid/MPEG4 as the video codec and AAC/MP3 as the audio codec. Instead, MKV file supports the FLAC lossless audio codec. MKV file supports selectable subtitles of ASS/SSA and selectable audio tracks while MP4 not.

Video Quality

Do the MKV files are better in quality than the MP4 files? Usually the MKV files are encoded with high-quality video and audio codec. If you want to convert MKV to MP4 with the original quality, just use the same video and audio codec.

3. How to Convert MKV to MP4

Just as mentioned above, MKV file contains high-quality video files, how to convert MKV to MP4 with the original quality? Is there a method to enhance the video quality of the MKV? FoneLab Video Converter Ultimate is the all-in-one video converter to transcode the video files, edit the videos, add subtitles and audio track, or even enhance the video quality.

  1. Convert MKV to MP4, AVI, MOV and more than 300 audio/video formats.
  2. Provide multiple methods to enhance the video quality, such as HD and 4K.
  3. Basic video editing features to rotate, flip, trim, merge and manage the files.
  4. Apply stunning video filters and effects, such as convert 2D to 3D videos.

Install the MKV to MP4 converter

When you installed FoneLab Video Converter Ultimate, you can launch the program on your computer and click the Add File button to load the MKV videos into the program.

video converter interface

Choose the MP4 as the output format

Click the Profile button and choose the MP4 as the output format. Moreover, you can also use the MP4 HD, 4K MP4, iPhone, Android phone as well as the other MP4 compatible devices.

choose video format

Tweak the video and audio settings

After that, you can click the Settings option to tweak the different parameters, such as the Video & Audio Encoder, Frame Rate, Resolution, Video Bitrate to convert MKV to MP4 as the original quality.

tweak parameters

Convert MKV to MP4 as the original quality

You can click the Browse option to select the output folder for the MP4 file in the destination folder. Click the Convert button to convert the MKV files into the MP4 video.

Conclusion

When you want to convert MKV to MP4 files, you should learn more about the MKV as well as the differences between the two file formats. Moreover, you can also find the details about how to convert MKV to MP4 with the original video quality of the article.

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