Audio Converter (MP3 / WAV / OGG / M4A)
Audio Converter changes an audio file’s format between MP3, WAV, OGG and M4A, with a choice of bitrate for the lossy formats. You can also feed it a video to pull the audio out. It runs locally in your browser using ffmpeg.wasm — nothing is uploaded.
Last updated: July 2026
To convert audio, choose your target format (MP3, WAV, OGG or M4A) and, for lossy formats, a bitrate — the tool transcodes the file with ffmpeg.wasm right in your browser. Your audio is never uploaded. You can also extract audio from a video file the same way.
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How to use Audio Converter (MP3 / WAV / OGG / M4A)
- Choose an audio (or video) file.
- Pick the output format and, if asked, a bitrate.
- Click Convert and download the result.
Frequently asked questions
Which conversions are supported?
Any direction between MP3, WAV, OGG and M4A, plus extracting audio from common video files.
What bitrate should I choose?
192 kbps is a good default for music. Use 320 kbps for the best quality, or 128 kbps for the smallest files. WAV is lossless and has no bitrate setting.
Is my audio uploaded?
No — conversion happens entirely in your browser.
Related video & audio
MP4 to MP3
Extract the audio from a video and download it as an MP3 — free and in your browser. No upload; runs via ffmpeg.wasm.
Trim Audio
Cut an audio clip to a start and end time for free, in your browser. Lossless stream copy — no upload, no re-encoding.
Compress Video
Compress MP4 and other videos to a smaller file size for free, right in your browser. Quality presets and optional 720p downscale — no upload, no watermark.
Video to GIF
Convert a video clip into an animated GIF — free, in your browser. Set fps, size and duration. No upload; runs via ffmpeg.wasm.