Are files uploaded to a server?

No. Conversion runs locally in your browser with FFmpeg WASM.

How many files can I upload?

There is no artificial limit. The practical limit depends on device memory, CPU power, and the browser.

Which output formats are available?

MP3, WAV, OGG, WebM, M4A, and FLAC are available. MP3, OGG, WebM, and M4A expose bitrate settings.

Audio tool

Audio converter online

Upload one or more audio files, choose the output format, and download a file or ZIP archive.

Drag audio here MP3, WAV, M4A, AAC, OGG, Opus, WebM, FLAC, and other formats depend on the browser and FFmpeg.

Files

Choose audio files to convert.

What this tool does

The audio converter runs FFmpeg WASM in the browser. You can upload multiple files, choose one output format, and download MP3, WAV, OGG, WebM, M4A, or FLAC without sending audio to a server.

How to use it

Add one or more audio files.
Choose the output format: MP3, WAV, OGG, WebM, M4A, or FLAC.
Set bitrate for compressed formats.
Start conversion and download one file or a ZIP archive.