Free online converter

AAC to M4A

Convert AAC files to M4A with a focused browser-based tool.

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Convert AAC to M4A online

AAC is an efficient lossy audio codec used by many streaming and mobile platforms. M4A is an audio container commonly used with AAC or ALAC codecs. Converting from AAC to M4A is useful when you need modern music libraries and efficient audio delivery, or when a player, editor or publishing workflow expects this audio format.

Source formatAAC audio — efficient audio with strong device support.
Target formatM4A audio — modern music libraries and efficient audio delivery.

How to convert AAC to M4A

  1. Choose a AAC file from your device.
  2. Review any available quality or output settings.
  3. Start the conversion and download the finished M4A file.

What to know before converting

Re-encoding compressed media can reduce quality. Use a suitable bitrate or quality setting when one is available. This tool is designed to perform supported conversions in the browser, so you can get to the result without installing desktop software.

About AAC and M4A files

AAC audio is useful for efficient audio with strong device support. M4A audio is useful for modern music libraries and efficient audio delivery. Choosing between them depends on the software you use, the level of compatibility you need, and whether file size, editability, quality or transparency matters for your workflow.

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