MKV to MP4 Converter
Convert MKV to MP4 online at Convertig.com. Fast, free, and secure video converter—no software needed. Upload your file and get MP4 output instantly.
100 MB maximum file size and upto 5 files.
300+ formats supported
We support more than 25600 different conversions between more than 300 different file formats. More than any other converter.
Fast and easy
Just drop your files on the page, choose an output format and click "Convert" button. Wait a little for the process to complete.
How to use MKV to MP4 Converter?
- Click the “Choose Files” button to select your files (up to 20 files at a time)
- Click on the “Convert” button to start the conversion
- When the status change to Done” click the “Download” button
MKV to MP4 Converter FAQs
The main reason is for universal device compatibility. While MKV is a powerful and flexible format, it is not natively supported by many common devices like smartphones, tablets, game consoles, and some smart TVs. The MP4 format is the global standard that is guaranteed to play smoothly on virtually anything.
Not always. If your MKV file already contains video and audio streams that are compatible with the MP4 standard (like H.264 video and AAC audio), our tool can simply remux the file. This process just copies the data into the new container with zero loss of quality. Only incompatible streams need to be re-encoded, which may cause a slight quality change.
This is a key limitation to be aware of. The MP4 format has much poorer support for multiple tracks than MKV. The conversion process will typically preserve only the default audio track and will discard all embedded subtitle tracks. If you need to keep all of these streams, it is best to keep your video in the MKV format.
Remuxing is like moving your things from one box to another—the contents stay exactly the same. It's a very fast and lossless process. Re-encoding is like having to rebuild your things to fit in the new box; it takes longer, and some minor scuffs (a slight loss of quality) might occur during the process.
Neither format is strictly "better," as they are designed for different purposes. MKV is better for storing a video in high quality with all its features, like multiple languages and subtitles, making it perfect for a personal media library. MP4 is better for sharing and guaranteeing that your video will play on anyone's device, anywhere in the world.