Convert M4V to FLV
M4V is great for Apple TV, iTunes and iPhone video, but FLV is the better choice for old web video archives. Convert M4V to FLV in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert M4V to FLV
- 1
Tap Choose files and select one or more M4V files (or drag them in).
- 2
Check that FLV is selected. Use Advanced options for resolution, size or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your FLV downloads automatically. Converting several files? Grab them all as a ZIP.
M4V vs FLV
Both formats are lossy, so the video is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| M4V | FLV | |
|---|---|---|
| Full name | iTunes Video | Flash Video |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | Apple | Adobe |
| Introduced | 2003 | 2002 |
| Plays on iPhone | ✓ Yes | ✕ No |
| Plays on Android | ◐ Partly / with an app | ◐ Partly / with an app |
| Plays on Windows | ◐ Partly / with an app | ◐ Partly / with an app |
| Plays on Mac | ✓ Yes | ✕ No |
About M4V and FLV
M4V: M4V is Apple's MP4 variant used for iTunes movies and TV shows. Unprotected M4V files are identical to MP4.
FLV: FLV is the Flash Video format that powered early YouTube. Flash is gone, so FLV files usually need converting to play today.
Frequently asked questions
How do I convert M4V to FLV on my phone?
Will converting M4V to FLV reduce quality?
Is this M4V to FLV converter free?
Are my files uploaded to a server?
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