Convert M4V to FLV
Free, fast and secure — convert M4V to FLV right in your browser.
M4V
FLV
Convert M4V to FLV for wider compatibility
Converting M4V to FLV gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when M4V will not play nicely everywhere.
How to convert M4V to FLV
- 1 Drop your M4V file into the converter above.
- 2 It is converted to FLV automatically — no settings to fiddle with.
- 3 Download your new FLV file instantly.
M4V vs FLV
| Feature | M4V | FLV |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | Yes |
| MIME type | video/x-m4v | video/x-flv |
| Best for | Apple/iTunes video — converted to plain MP4 for the widest reach. | Rescuing old Flash video by converting it to MP4 or WebM. |
About the formats
M4V
M4V video
M4V is Apple’s MP4 variant used by iTunes. It is essentially MP4 and plays well across Apple devices, sometimes carrying optional copy protection.
Strengths
- Near-identical to MP4
- Plays cleanly on Apple devices
- Good quality-to-size ratio
Limitations
- Can carry DRM restrictions
- Less universal naming
- Occasional player quirks
Best for: Apple/iTunes video — converted to plain MP4 for the widest reach.
FLV
Flash video
FLV is the old Flash video container. Once dominant for web streaming, it is now obsolete and almost always needs converting to a modern format like MP4.
Strengths
- Small files for its era
- Plays in legacy Flash players
- Common in old web archives
Limitations
- Obsolete — Flash is discontinued
- No support on modern devices
- Lower quality than modern codecs
Best for: Rescuing old Flash video by converting it to MP4 or WebM.
Frequently asked questions
Upload your M4V file above and it is converted to FLV automatically. When it is ready, download your new Flash video — the whole thing takes just a few seconds in your browser.
Converting M4V to FLV gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when M4V will not play nicely everywhere.
Converting between compressed formats can introduce minor changes, but our converter keeps your FLV looking as close to the original as possible.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.