FLV is a Flash compatible video container that is used in several online video and audio streaming sites. Although it is viewed in web browser using adobe flash player, many other players also support FLV files. It has a header. It follows the similar format that a flash extension (.swf) uses to store video and audio data.
MKV (Matroska video File) is a video container format that supports more than one audio and subtitle tracks at the same file. It is based on Extensible Binary Meta Language. It supports several video and audio compression formats. The difference between MKV file types with most other video extensions is that it is a container, not a codec.
CloudConvert supports the conversion between more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats. Check the supported formats for more details.
There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. Don't worry, your files are safe and only you can access them. They will be deleted again as soon as your conversion is finished.
Most conversion types support advanced options, for example setting the codecs of audio/video files. Also, we support batch converting and folder monitoring!
The CloudConvert API offers the full functionality of CloudConvert and makes it possible to use the conversion services in your own applications.