Convert MKV to FLV
Free, instant, and secure online converter. Upload your .mkv file and receive a crisp .flv result in seconds.
Need the opposite conversion? Convert FLV to MKV →
How to convert MKV to FLV
Upload Your File
Click the upload zone or drag and drop your .mkv file anywhere on the area.
Start Converting
Hit Convert and our server will process your file instantly with high fidelity preservation.
Download Result
Your .flv file is ready in seconds! Click download. Files auto-delete in 6 hours.
MKV vs FLV: Comparison
| Attribute | MKV (.MKV) | FLV (.FLV) |
|---|---|---|
| Category | video | video |
| MIME Type | video/x-matroska | video/x-flv |
| Description | MKV (Matroska) is an open-source container that can hold virtually unlimited video, audio, and subtitle tracks... | FLV is a legacy Flash video format once dominant for online video streaming. |
About These Formats
About MKV files
MKV (Matroska) is an open-source container that can hold virtually unlimited video, audio, and subtitle tracks.
About FLV files
FLV is a legacy Flash video format once dominant for online video streaming.
Frequently Asked Questions
How do I convert MKV to FLV?
Upload your .mkv file using the box above, or drag and drop it in. We'll automatically convert it to .flv format — just click download when it's ready.
Is it free to convert MKV to FLV?
Yes. Converting MKV to FLV is completely free, with no watermarks, no signup, and no limit on how many files you convert.
Is it safe to convert files here?
Yes. Files are processed securely and automatically deleted from our servers a few hours after conversion. We never share or view the contents of your files.
What is a mkv file?
MKV (Matroska) is an open-source container that can hold virtually unlimited video, audio, and subtitle tracks.
What is a flv file?
FLV is a legacy Flash video format once dominant for online video streaming.