Convert FLV to OPUS
Free, fast and secure — convert FLV to OPUS right in your browser.
FLV
OPUS
Pull the audio out of your FLV as OPUS
Converting FLV to OPUS extracts a clean audio track from your video, giving you a compact Opus audio you can play, share or add to a playlist without the video.
How to convert FLV to OPUS
- 1 Drop your FLV file into the converter above.
- 2 It is converted to OPUS automatically — no settings to fiddle with.
- 3 Download your new OPUS file instantly.
FLV vs OPUS
| Feature | FLV | OPUS |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/x-flv | audio/opus |
| Best for | Rescuing old Flash video by converting it to MP4 or WebM. | Voice chat, podcasts and streaming where bandwidth efficiency is critical. |
About the formats
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.
OPUS
Opus audio
Opus is a state-of-the-art codec that delivers superb quality at very low bitrates. It powers most modern voice and streaming apps but is less common for stored files.
Strengths
- Best-in-class quality at low bitrates
- Excellent for voice and streaming
- Open and royalty-free
Limitations
- Limited support in older players
- Uncommon for downloads
- Few hardware decoders
Best for: Voice chat, podcasts and streaming where bandwidth efficiency is critical.
Frequently asked questions
Upload your FLV file above and it is converted to OPUS automatically. When it is ready, download your new Opus audio — the whole thing takes just a few seconds in your browser.
Converting FLV to OPUS extracts a clean audio track from your video, giving you a compact Opus audio you can play, share or add to a playlist without the video.
Converting between compressed formats can introduce minor changes, but our converter keeps your OPUS 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.