FLV to MP3 Converter

Convert FLV to MP3 online. This conversion removes the picture from the FLV file and saves its audio track as MP3. Free batch processing with no signup or watermark.

Upload your videos

How to convert FLV to MP3

  1. 1

    Add one or more FLV files. You can review the complete batch before processing it.

  2. 2

    MP3 is already selected for this page. Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.

  3. 3

    Start the batch, then download and check the finished MP3 file or files.

What changes when you convert FLV to MP3?

This conversion removes the picture from the FLV file and saves its audio track as MP3. Video resolution and frame rate do not carry into the result.

  • Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.
  • Open the finished MP3 file and check fine details, layout and compatibility in the app where you plan to use it.
Source format

What is a FLV file?

FLV (Flash Video) was the format of web video during the Adobe Flash era. Flash is now discontinued and modern browsers no longer play FLV, so old FLV clips usually need converting to MP4 to be watchable today.

How to open a FLV file

FLV no longer plays in browsers; use VLC to view it, or convert it to MP4 for phones, editors and everywhere else.

Output format

What is a MP3 file?

MP3 is the world’s most popular audio format. Its lossy compression shrinks music and audio to a fraction of the original size while keeping quality good enough for almost any use, which is why it plays on virtually every device and app.

How to open a MP3 file

MP3 plays everywhere - any music app, browser, phone, car stereo, and the default player on Windows, macOS, Android and iOS.

Frequently asked questions

Is it free to convert FLV to MP3?
Yes. There is no sign-up, subscription or watermark on the converted file.
What happens to quality when FLV becomes MP3?
This conversion removes the picture from the FLV file and saves its audio track as MP3. Video resolution and frame rate do not carry into the result.
Which conversion options are available on this page?
Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.
How can I open the converted MP3 file?
MP3 plays everywhere - any music app, browser, phone, car stereo, and the default player on Windows, macOS, Android and iOS.