Free Online Audio Converter
Convert audio and extract sound from video directly in your browser. No upload, no install, no account.
Convert & DownloadPrivate audio conversion for everyday files
Browser Local
Files are processed with WebAssembly on your device, not sent to a cloud converter.
Useful Outputs
Create MP3 for compatibility, WAV for editing, FLAC for lossless storage, or Opus for modern web audio.
Video to Audio
Drop a video file and export just the audio track without opening another tool.
Self-Hostable Engine
The conversion runtime is isolated, so the FFmpeg core can be self-hosted for privacy and reliability.
OnlinePlayer Audio Converter vs Cloud Converters
| Feature | OnlinePlayer | Cloud converter |
|---|---|---|
| File upload required | No | Usually yes |
| Works with local files | Yes | Yes |
| Output privacy | Local download | Server processed |
| Account required | No | Often |
| Core can be self-hosted | Yes | No |
Audio Outputs
Practical, widely supported audio outputs, all produced locally in your browser.
Compatibility
MP3, AAC
Lossless
WAV, FLAC
Open formats
Opus, FLAC, WAV
How to Convert Audio Online
Choose a file
Drop an audio or video file into the converter.
Pick an output
Choose MP3, WAV, FLAC, Opus or AAC.
Download locally
The converted file downloads from your browser session.
Audio Converter FAQ
Is my audio uploaded?
No. The conversion runs in your browser using FFmpeg.wasm; your file stays on your device.
Can I extract audio from video?
Yes. Drop a video file on the audio converter and choose an audio output format.
What powers the conversion?
Everything runs in your browser via FFmpeg.wasm (WebAssembly) — no server and no upload.