Free Online Audio Converter

Convert audio files quickly in your browser. Choose a file, pick an output format, and download the result without installing software.

  • Free online conversion
  • No installation required
  • Simple workflow
  • Beginner-friendly
  • Batch conversion support

Drop audio or video files here, or click to upload

Many conversions run in your browser. Some formats may use server processing depending on the file type.

How It Works

  1. Upload your file

    Drop files or use the file picker.

  2. Choose output format

    Open the export picker and select your target audio format.

  3. Convert and download

    Start conversion, then download—or use batch actions when available.

Supported Formats

  • MP3
  • OGG
  • WAV
  • NCM
  • FLAC
  • M4A
  • AAC

Support may vary by browser and by the specific file you use.

Frequently Asked Questions

What is an audio converter?

An audio converter is a tool that changes one audio file format into another, such as OGG to MP3 or WAV to MP3.

Which formats can I convert?

Supported formats depend on the file and your browser, but MasterConvert focuses on common audio formats used by everyday users, including MP3, OGG, WAV, NCM, FLAC, M4A, and AAC.

Is this tool beginner-friendly?

Yes. The workflow is designed to be simple and easy to follow.

Can I use it on mobile?

Yes. MasterConvert is designed to work across desktop and mobile devices.

Is the audio converter free?

Yes. The current version is free to use.

Is my audio uploaded?

Processing may happen in your browser and, for some formats or fallbacks, on our servers. See the Privacy Policy for details.

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