MP4 to MKV

Select a file to upload and convert:
(max file size 200 MB)
Options:
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This MP4 to MKV converter can convert MP4 (MPEG-4 Video) files to MKV (Matroska Video) video.
How To Use:
  1. Select a MP4 file (such as *.mp4, *.m4b, *.m4v, *.h264, *.h265, *.264, *.265, *.hevc).
  2. Click button "Convert" to start upload your file.
  3. Once upload completed, converter will redirect a web page to show the conversion result.
Remark:
  • If file upload process takes a very long time or no response or very slow, please try to cancel then submit again.
  • This converter cannot support encrypted or protected video files.
  • If you selected options, be sure to enter valid values.
  • If file source is a URL, be sure to enter a complete and valid URL to your file.
File Format Information:
  • MP4 (MPEG-4 Video) is a multimedia container and a compression standard for video, audio and other data (such as subtitle, image, text and more), developed by the Moving Picture Experts Group (MPEG). The file extensions can be .mp4, .m4b, .m4v, .h264, .h265, .264, .265, .hevc.
  • MKV (Matroska Video) is a new multimedia container, it can contain different encoded video streams, audio streams and multi-language subtitles into one media file.
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