Convert MKV Video to Flash Video Online
Convert MKV to FLV online for free. Fast, secure file conversion with no registration required.
MKV vs FLV
| MKV | FLV | |
|---|---|---|
| Full Name | MKV Video | Flash Video |
| Category | Video | Video |
| MIME Type | video/x-matroska | video/x-flv |
| File Extension | .mkv | .flv |
| Max Upload | 500 MB | — |
How to Convert MKV to FLV
- Select your MKV file using the upload area above
- Click "Convert to FLV" to start the conversion
- Wait for the conversion to complete
- Download your FLV file
About MKV Format
MKV (Matroska) is a flexible, open-standard video container that supports unlimited audio tracks, subtitles, and chapter points in a single file. Popular for high-quality video content and media archiving.
About FLV Format
FLV (Flash Video) was the dominant web video format during the Flash era. While largely replaced by MP4 and WebM for web delivery, FLV files are still encountered in legacy content and some streaming servers.
Frequently Asked Questions
Upload your MKV file using the upload area above, then click "Convert to FLV". The conversion starts automatically and you can download the result when it's ready.
Yes, FileCraft's MKV to FLV converter is completely free with no registration, watermarks, or hidden fees. You can convert as many files as you need.
Yes. Your files are processed securely and automatically deleted from our servers after conversion. We do not store, share, or access your files.
Most video files convert in a few seconds. Larger files may take slightly longer depending on file size and complexity.
You can upload MKV files up to 500MB for free conversion. For most use cases this is more than sufficient.