Convert FLV to MP3 Online

Extract high-quality MP3 audio from FLV video. Fast, free, and no watermark.

FLV
FLV
MP3
MP3
Secure & private
Files deleted in 24h
No signup needed

Drop your FLV file here

or click to select

Secure & private
Files deleted in 24h
No signup needed
Select a file to start converting
0 / 10 free conversions used today

Upload FLV

Drag & drop or click to select your FLV file.

Choose Options

Adjust bitrate, sample rate, or other output settings if needed.

Download MP3

Click Convert and your MP3 file downloads instantly.

Converting FLV to MP3 is a common requirement wherever different players, apps, and devices need to exchange audio. Whether you are preparing tracks for a music player, a podcast host, a video project, or meeting an upload requirement, having the file in the right audio format is the starting point for every workflow.

FLV files are tied to specific software, codecs, and hardware. When that audio needs to move into a context that requires MP3 - A different player, a DAW, a streaming platform, or a phone that only accepts certain formats - A fast, reliable converter removes the barrier without installing software or knowing anything about bitrates and codecs.

mp3.now processes your file securely in the cloud and returns a clean MP3 output at the bitrate and quality you choose. Files are processed privately and automatically deleted after 24 hours - Nothing is stored beyond what is needed to complete your conversion.

FLV

FLV – Flash Video

FLV is an audio format. Converting to MP3 provides wider compatibility and easier sharing across players, apps, and devices.
MP3

MP3 – MPEG-1 Audio Layer III

MP3 is the world's most compatible audio format - Playable on every phone, car stereo, browser, and media player. Lossy compression at your chosen bitrate keeps file sizes small.
MP3 Converter

Upload your FLV file on mp3.now, choose your MP3 bitrate, and click Convert. The MP3 downloads in seconds - no software to install. Read more: How to Convert MP4 to MP3: Extract Audio from Video

Yes, completely free with no signup required. Guests can convert up to 10 files per day. Read more: Is mp3.now Free to Use? No Signup Required

320 kbps gives near-lossless quality for music, 192 kbps is a good balance of size and quality, and 128 kbps keeps files small for podcasts or voice. Read more: What Is Audio Bitrate? A Practical Guide

Yes. mp3.now works in any mobile browser - open the site, upload your file, and the MP3 saves straight to your device. Read more: Does mp3.now Work on Mobile?

No - this tool extracts only the audio track and discards the video, giving you an audio-only MP3 file. Read more: How to Convert MP4 to MP3: Extract Audio from Video

Link to this free converter from your blog, docs, or resources page. Copy the snippet below — it shows the badge on the left and links straight to this tool.