Back to all tools
Convert FLV to MKV
Convert FLV to MKV format — 100% browser-based, no upload required.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
FLV
Flash VideoLegacy Adobe Flash video format. Once dominant for web video streaming, now largely obsolete since Flash's discontinuation.
Best for
Legacy contentOlder streaming archives
Advantages
- + Small file size
- + Was universally supported via Flash
Limitations
- − Flash is discontinued
- − Poor quality
- − No modern browser support
- − Obsolete
Target
MKV
Matroska VideoOpen-source container that can hold many video, audio, and subtitle tracks. Popular for high-quality video archiving and media libraries.
Best for
Video archivingMulti-track contentSubtitlesMedia libraries
Advantages
- + Open source
- + Any codec
- + Multiple tracks
- + Chapters & subtitles
Limitations
- − No native browser support
- − Not streamable
- − Limited mobile support