Convert WEBM to FLV
WEBM is great for web video, HTML5 players and screen recordings, but FLV is the better choice for old web video archives. Convert WEBM 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 WEBM to FLV
- 1
Tap Choose files and select one or more WEBM 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.
WEBM 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.
| WEBM | FLV | |
|---|---|---|
| Full name | WebM Video | Flash Video |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | Adobe | |
| Introduced | 2010 | 2002 |
| Plays on iPhone | ◐ Partly / with an app | ✕ No |
| Plays on Android | ✓ Yes | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ◐ Partly / with an app |
| Plays on Mac | ◐ Partly / with an app | ✕ No |
About WEBM and FLV
WEBM: WebM is Google's open video format using VP8/VP9 and Opus. It is built for the web and is what screen recorders and browsers produce.
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 WEBM to FLV on my phone?
Will converting WEBM to FLV reduce quality?
Is this WEBM to FLV converter free?
Are my files uploaded to a server?
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