How to convert MKV to MP4
Drop your MKV files into the box at the top of the page, or click it to browse your files. The converter makes a copy of each one in MP4 format. The conversion runs in your browser, so your videos never leave your device.
You can also choose a quality level, scale the video down to a lower resolution, and remove the audio.
Converting MKV to MP4
MKV is typically used for downloaded films and screen recordings, where one file holds many tracks, while MP4 is used for sharing and uploading video, because it plays almost everywhere.
What changes when I convert MKV to MP4?
The converter re-encodes the video, which costs a small amount of detail. Choose High quality for less loss and a larger file, or Small for the opposite.
The MP4 file uses H.264 video and AAC audio when your browser can create them, so it plays on nearly every device.
MKV files can hold several audio tracks and subtitles. The converter keeps only the main video track and the main audio track.
What are the limits when converting MKV to MP4?
You can convert up to 10 videos a day for free, each up to 1 GB and 10 minutes long, at up to 1080p. Pro removes the daily limit and accepts videos up to 2 GB and 60 minutes long, with no resolution cap. See the plans.
Understanding MKV
MKV is a flexible container that can hold almost any video and audio format, plus several audio tracks and subtitles. Many phones, TVs and browsers cannot play it.
Understanding MP4
MP4 is the most widely supported video format. It plays on phones, computers, TVs, browsers and social media sites, usually with H.264 video and AAC audio.