Why use Flixier to convert MKV to MP4?
Works online in any browser
Upload your MKV file and export an MP4 directly from your browser.
Edit your video before converting
Cut out unwanted sections, tweak audio, or enhance your clip with simple tools and AI features.
Supports all common formats
Turn MKV, AVI, MOV, WebM, and more into MP4 without extra steps.
Mix in other media
Add images or additional video clips to your MKV file before exporting your finished MP4.
How to convert MKV to MP4
Who this is for

Educators

Business Owners

Social Creators

Need more than an online MKV to MP4 video converter?

Edit easily
With Flixier you can trim videos or add text, music, motion graphics, images and so much more.

Publish in minutes
Flixier is powered by the cloud so you can edit and publish your videos at blazing speed on any device.

Collaborate in real-time
Easily collaborate on your projects with Flixier, we offer real-time feedback and sharing of projects.
Still have questions?
We got you!
What is an MKV file?
MKV is a flexible container format that can hold video, audio, subtitles, and more in one file.
What is MP4?
MP4 (MPEG-4) is a popular digital media format that holds video, audio, and subtitles in one file, offering high quality with efficient compression for easy sharing and streaming on most devices.
Does converting MKV to MP4 lower the quality?
Converting an MKV video to MP4 will technically add some compression, but if you use a solid converter like Flixier, the difference in quality will not be noticeable to most people.



