The best online FLV to MKV conversion

Convert any video file from FLV to MKV in a few easy steps using this free online tool. Our converter saves your time as well as the quality of every converted file.

Optional settings:

Sets the video codec
Sets the audio codec
If the conversion produces more than one output file, by default all of them are compressed in just one file. Set this option to true if you want a download link for each file.
Disable the audio track
Audio channels.
Normalize the audio volume.
Deinterlace the video
Specify the aspect ratio of the video e.g. 16:9.
Sets the start point of the part of the video you want to keep. The format is HH:MM:SS. HH = hour, MM = minutes, SS = seconds. Example 00:02:23
Sets the end point of the part of the video you want to keep. The format is HH:MM:SS. HH = hour, MM = minutes, SS = seconds. Example 00:05:35
Mirror/flip your video
Rotate your video, specified in degrees clockwise
Audio bitrate in kbps.
Determine how the resizing of the image should be done. Either by stretching, keeping the original aspect ratio (filling the empty space if needed) or not upscaling the original video.

Step by step FLV to MKV conversion

We created trustworthy FLV to MKV online converter that is easy to use. In just 3 steps you can convert and download any video file as many times as you want.

Upload FLV file

STEP 1

Use a 'drag and drop' method to upload your FLV file or add a link to it.

Converting FLV to MKV

STEP 2

Press the 'Start conversion' button, and FLV to MKV conversion will start.

Download converted MKV file

STEP 3

As soon as the 'Download' button appears, download your MKV video files.

FLV Converter

What is a FLV file?

FLV stands for Flash Video and represents a container file format used for digital video content such as TV shows and movies. It is mostly used for YouTube, Hulu, and similar websites. FLV format is an open format supported by both non-Adobe and Adobe programs. It is a flash-compatible file that has a short header, interleaved audio, video, and metadata packets. This file format is similar to SWF file extension. You can open and edit this type of file extension with the following extensions: File Viewer Plus, Adobe Flash Player, Adobe Animate CC 2019, Xilisoft Video Converter Ultimate, VideoLAN VLC media player, Media Player Classic, Nullsoft Winamp, RealNetworks RealPlayer Cloud, Eltima Elmedia Player, etc.

MKV Converter

What is a MKV file?

Matroska multimedia container format is known as a video file with an MKV extension. This type of file format is used for short video clips, TV shows, and movies. It is an open-source file created in 2002. MKV file can contain various videos, audio, images, and subtitle tracks. The concept of a Matroska file is similar to some other formats such as AVI, MP4, and ASF, except that MKV can contain an unlimited number of audio, picture, and subtitle tracks. It also supports descriptions, ratings, cover art, and chapter points. Plus, it has perfect online streaming compatibility. That’s why the MKV is a default video container format for DivX Plus. You can open or edit every MKV file using one of the following programs: File Viewer Plus, Microsoft Movies, and TV, CyberLink PowerDVD, DivX Player, Nero, Roxio Popcorn, MPlayer, etc.

Our converter allows you to change FLV to any other existing video file

FLV TO 3G2, FLV TO 3GP, FLV TO 3GPP, FLV TO AVI, FLV TO CAVS, FLV TO DV, FLV TO DVR, FLV TO M2TS, FLV TO M4V, FLV TO MKV, FLV TO MOD, FLV TO MOV, FLV TO MP4, FLV TO MPEG, FLV TO MPG, FLV TO MTS, FLV TO MXF, FLV TO OGG, FLV TO RM, FLV TO RMVB, FLV TO SWF, FLV TO TS, FLV TO VOB, FLV TO WEBM, FLV TO WMV, FLV TO WTV and FLV TO FLV.

With our free tool, you can also convert MKV to any other video file

MKV TO 3G2, MKV TO 3GP, MKV TO 3GPP, MKV TO AVI, MKV TO CAVS, MKV TO DV, MKV TO DVR, MKV TO FLV, MKV TO M2TS, MKV TO M4V, MKV TO MOD, MKV TO MOV, MKV TO MP4, MKV TO MPEG, MKV TO MPG, MKV TO MTS, MKV TO MXF, MKV TO OGG, MKV TO RM, MKV TO RMVB, MKV TO SWF, MKV TO TS, MKV TO VOB, MKV TO WEBM, MKV TO WMV, MKV TO WTV and MKV TO MKV.

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We enable our users' various options for a format to format conversions. With our search tool, you can find out is the format conversion supported. Type in the file format you want to convert and target format to verify that the conversion is possible.