What is MKV?
Matroska Video
A flexible open container that can hold many video, audio, and subtitle tracks in one file.
Advantages
- Multiple tracks and subtitles
- Open standard
- High quality
Limitations
- Limited native device support
- Large files
Best used for
Archiving films with multiple audio/subtitle tracks.
- Extensions
- .mkv
- MIME type
- video/x-matroska
- Compression
- Lossy
Free MKV tools
Video ConverterConvert video between MP4, WEBM, MOV, MKV, and more.Video to MP3Extract the audio track from any video.MP4 ConverterConvert AVI, MOV, MKV, WEBM, FLV, WMV, and more to MP4.Video to GIFTurn a video clip into an animated GIF.Video to Image SequenceExtract video frames as a sequence of JPG or PNG images at a chosen frame rate and size, downloadable individually or as a ZIP.Video CompressorShrink video file size with adjustable quality.Crop VideoCrop the frame of a video.Trim VideoTrim a video to a time range.Resize VideoChange a video's resolution (width and height).Add Video FiltersApply effects like grayscale, sepia, blur, and more to a video.Add Audio to VideoAdd or replace the soundtrack of a video with an audio file.MKV to MP4Convert MKV video to MP4.