MP4 to MKV - Convert video online
Conversion Results:
| # | Output File | Source File | Action |
|---|
How to convert MP4 to MKV:
1. Click the "Choose Files" button to select multiple files on your computer or click the "URL" button to choose an online file from URL, Google Drive or Dropbox. The source file can also be audio format. Video and audio file size can be up to 200M. You can use file analyzer to get source video's detailed information such as video codec, duration and bitrate.
2. Set target video format, bitrate, aspect ratio, frame size and frame rate. All audio streams will be removed if the "Mute" option is checked. The target video format can be MP4, AVI, FLV, MPG, MKV, WMV, M2TS, WEBM, ASF, MOV, M4V, RM, VOB, OGV or GIF.
3. Click the "Convert Now!" button to start batch conversion. It will automatically retry conversion on another server if one fails, please be patient while converting. The output files will be listed in the "Conversion Results" section. Click icon to show file QR code or save file to cloud storage services such as Google Drive or Dropbox.
MP4 vs MKV:
| Name | MP4 | MKV |
| Full name | MPEG-4 Part 14 | Matroska Video |
| File extension | .mp4, .m4a, .m4p, .m4b, .m4r, .m4v | .mkv, .mk3d, .mka, .mks |
| MIME | video/mp4 | video/x-matroska, audio/x-matroska |
| Developed by | International Organization for Standardization | www.matroska.org |
| Type of format | Media container | Container format |
| Introduction | MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. | The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows. |
| Technical details | Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. The registered codecs for MPEG-4 Part 12-based files are published on the website of MP4 Registration authority (mp4ra.org). | Matroska is similar in concept to other containers like AVI, MP4, or Advanced Systems Format (ASF), but is entirely open in specification, with implementations consisting mostly of open source software. |
| Associated programs | Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player | VLC Media Player |
| Sample file | sample.mp4 | sample.mkv |
| Wikipedia | MP4 on Wikipedia | MKV on Wikipedia |