FLV to MP3 Converter
Extract the audio from an FLV video and save it as MP3 — right in your browser.
FLV is the old Flash video container, still found in archived downloads and legacy recordings. Since Flash is gone, converting the audio to MP3 keeps it playable on modern devices.
This tool extracts the audio from your FLV file and re-encodes it to MP3 locally — nothing is uploaded.
How to convert FLV to MP3
- 1Drop your FLV file into the area above — or click to browse.
- 2The output format is already set to MP3. Adjust the quality settings if the format supports them.
- 3Click convert, then download your MP3 file. Everything runs locally — nothing is uploaded.
Frequently asked questions
FLV video needs special players, but extracting the audio to MP3 lets you keep the sound in a format that plays everywhere.
Yes. The entire process runs in your browser. Your FLV file is never sent to any server.
No. All processing happens entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Yes. Once the page has loaded, the tool works completely offline. For the best experience, install PrivaDeck as a PWA from your browser.
Other conversions
Need a different format?
Open the full audio converter to pick from MP3, WAV, OGG, AAC, FLAC, M4A and Opus, convert in batches, and adjust bitrate, sample rate and channels.
Open the full Audio Converter