Convert AVI to FLV
AVI is great for older Windows software, DVD players and legacy cameras, but FLV is the better choice for old web video archives. Convert AVI 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 AVI to FLV
- 1
Tap Choose files and select one or more AVI 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.
AVI 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.
| AVI | FLV | |
|---|---|---|
| Full name | Audio Video Interleave | Flash Video |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | Microsoft | Adobe |
| Introduced | 1992 | 2002 |
| Plays on iPhone | ✕ No | ✕ No |
| Plays on Android | ◐ Partly / with an app | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ◐ Partly / with an app |
| Plays on Mac | ◐ Partly / with an app | ✕ No |
About AVI and FLV
AVI: AVI is Microsoft's classic video format from the Windows 95 era. It is still used by older cameras, DVD players and Windows software.
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 AVI to FLV on my phone?
Will converting AVI to FLV reduce quality?
Is this AVI to FLV converter free?
Are my files uploaded to a server?
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