Free Media Tools

Audio Converter

Convert audio online free between MP3, WAV, M4A and OGG formats in your browser. No upload or signup required.

Client-side

Media output

Input size

No file

Output size

Not ready

Limit

20 MB

Engine

ffmpeg.wasm

The ffmpeg WebAssembly engine loads only on this page and only after you start processing.

Media Tools

About Audio Converter

Convert audio online free between MP3, WAV, M4A and OGG formats in your browser. No upload or signup required. The work happens in your browser, so your input stays on your device while you prepare the result.

Converting short recordings, voice notes and audio exports into a compatible format.

Reducing audio file size before sharing while keeping files on your device.

Practical notes

Lossy formats such as MP3 and M4A reduce size by discarding some audio detail.
Use WAV only when compatibility or uncompressed output matters more than file size.

Common questions

Does this tool upload my data?

No. The tool runs in your browser and keeps the selected content on your device.

Is this tool free?

Yes. It is free to use in the browser and does not require an account.