M4A to AAC Converter

Convert M4A to AAC online, for free.



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Audio Options
Auto
Choose a codec to encode or compress the audio stream. To use the most common codec, select "Auto" (recommended). To convert without re-encoding audio, choose "Copy" (not recommended).
100% represents the original volume. To double the volume, increase it to 200%. To reduce volume by half, select 50%
Enable if you want to reverse audio stream
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Specify the end position of trim (HH:MM:SS.MS). Leave at 00:00:00.00 to disable.


How to Convert M4A to AAC?

  1. Click the “Choose Files” button to select your M4A files.
  2. Click the “Convert to AAC” button to start the conversion.
  3. When the status change to “Done” click the “Download AAC” button

Easy to Use

Simply upload your M4A files and click the convert button. You can also batch convert M4A to AAC format.

Best Quality

We use both open source and custom software to make sure our conversions are of the highest quality. In most cases, you can fine-tune conversion parameters using “Advanced Settings” (optional, look for the icon).

Free & Secure

Our M4A to AAC Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.



Your Data, Our Priority

At FreeConvert, we go beyond just converting files—we protect them. Our robust security framework ensures that your data is always safe, whether you're converting an image, video, or document. With advanced encryption, secure data centers, and vigilant monitoring, we've covered every aspect of your data's safety.

Learn more about our commitment to security
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