Convert FLV to MP3
Free, fast and secure — convert FLV to MP3 right in your browser.
FLV
MP3
Pull the audio out of your FLV as MP3
Converting FLV to MP3 extracts a clean audio track from your video, giving you a compact MP3 audio you can play, share or add to a playlist without the video.
How to convert FLV to MP3
- 1 Drop your FLV file into the converter above.
- 2 It is converted to MP3 automatically — no settings to fiddle with.
- 3 Download your new MP3 file instantly.
FLV vs MP3
| Feature | FLV | MP3 |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/x-flv | audio/mpeg |
| Best for | Rescuing old Flash video by converting it to MP4 or WebM. | Music, podcasts and voice that need to play everywhere at a small size. |
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.
MP3
MP3 audio
MP3 is the world’s most compatible audio format. Its lossy compression makes small files that play on every device and app, which is why it is still the default for music and podcasts.
Strengths
- Plays on virtually everything
- Small, convenient files
- Adjustable bitrate
Limitations
- Lossy — discards some audio detail
- Not ideal for archiving
- No lossless option
Best for: Music, podcasts and voice that need to play everywhere at a small size.
Frequently asked questions
Upload your FLV file above and it is converted to MP3 automatically. When it is ready, download your new MP3 audio — the whole thing takes just a few seconds in your browser.
Converting FLV to MP3 extracts a clean audio track from your video, giving you a compact MP3 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 MP3 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.