M4A to AAC — Online Converter

Browser-based M4A to AAC conversion. No registration, no limits, no waiting.

100% Private

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Works Offline

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About M4A to AAC Conversion

Convert between audio formats for optimal compatibility and quality. Match the perfect balance of file size and sound quality for your specific needs—from lossless archival to compressed streaming.

How to Convert M4A to AAC

Converting files has never been easier or more secure. MixConvert uses advanced browser-based technology to process your files instantly without uploading them to a remote server. Follow these simple steps to get started:

Select Your Files: Click "Choose Files" or simply drag and drop your M4A files (.m4a) into the upload area.
Choose Output Format: Verify that AAC (.aac) is selected as your target output format.
Convert Instantly: Hit "Convert All" and watch as your files transform instantly using our browser-based engine.
Download: Download your converted AAC files individually, or grab them all at once as a ZIP archive.

M4A to AAC FAQ

How do I convert M4A to AAC on my phone?

MixConvert works seamlessly on iOS and Android devices. Open this page in your mobile browser, select your M4A files, and convert to AAC with the same ease as on desktop.

Is it safe to convert M4A to AAC here?

Yes, your files never leave your device. We use WebAssembly technology to process M4A files locally in your browser, making this the most private way to convert to AAC.

Is there a file size limit for M4A to AAC conversion?

There are no arbitrary size limits. Since conversion happens locally, your device's RAM and processing power are the only constraints. Most modern devices handle files of any practical size.

How long does M4A to AAC conversion take?

Most M4A files convert to AAC in just a few seconds. Processing time depends on file size and your device's CPU. Large video files may take a bit longer.

Can I batch convert multiple M4A files?

Yes! Select multiple M4A files and convert them all to AAC simultaneously. You can then download each file or grab everything as a single ZIP archive.

What bitrate settings are used for M4A to AAC?

We use optimal bitrate settings that balance quality and file size for AAC output. The conversion preserves the essential audio characteristics of your M4A files.