Audio Format Converter
Convert audio files between formats in your browser. Supports WAV, OGG, and WebM output with configurable sample rate, channels, and bit depth.
About Audio Format Converter
This tool uses the Web Audio API to decode audio files and re-encode them in the selected format. WAV output is always lossless. WebM and OGG use the browser's built-in codecs via MediaRecorder.
Supported Input Formats
Most browsers can decode: MP3, WAV, OGG, FLAC, AAC/M4A, WebM, AIFF. Input support depends on your browser and OS.
Supported Output Formats
- WAV — Uncompressed, lossless. Choose 16-bit or 24-bit depth.
- OGG (Vorbis) — Open source lossy format. Good compression. (Firefox, Chrome)
- WebM (Opus) — Modern lossy codec. Excellent for voice/music. (Chrome, Firefox, Edge)
- FLAC — Lossless compression. Exported as WAV lossless. (Actual FLAC encoding varies by browser)
- M4A/AAC — Widely compatible lossy format. (Safari, some browsers)
Browser Limitations
Not all output formats are available in all browsers. If a format is unsupported, the tool will show a notice. Chrome supports WebM/Opus, Firefox supports OGG/Vorbis and WebM, Safari supports M4A/AAC.