ToolBoxy
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Audio Converter

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오디오 변환 · 오디오 변환기 · mp3 변환 · wav 변환 · m4a 변환

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Drop an audio file or click to select

Everything is processed in your browser — files never leave your device.

How to use

  1. 1

    Upload or drag in an audio file.

  2. 2

    Choose an output format (MP3, WAV, M4A or OGG).

  3. 3

    Press 'Convert' — it processes in your browser.

  4. 4

    When done, preview and download the result.

FAQ

Is this tool free?

Yes — it is completely free to use, with no account or sign-up required.

What is this tool?

The audio converter changes the format of your music or recordings. Convert to MP3 (universal, small), WAV (lossless), M4A (AAC) or OGG (open format). It runs the ffmpeg engine inside your browser, so files are never uploaded to a server. The engine (~30 MB) is fetched once on your first conversion.

Are my uploaded files sent to a server?

No. Everything runs only on your own computer, inside your browser, and your files are never sent to a server or anywhere else. So you can use it with complete peace of mind, without worrying about your file contents leaking.