Audio Conversion

Convert M4A to AAC

Convert .m4a files to .aac format locally on your desktop. Fast, private, completely offline. Nothing leaves your machine.

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.m4a
Input
LOCAL
.aac
Output

How to convert M4A to AAC

1

Open dotformat

Launch the app and drag your .m4a file into the window.

2

Select AAC

Choose AAC from the format picker. It'll be auto-suggested for audio files.

3

Done

Click convert and your .aac file is saved instantly.

About audio conversion

Lossless and lossy audio conversion. Preserve quality or optimize file size — your choice.

All audio conversions run entirely on your device. No files are uploaded. Your data stays private.

Key details

Input format: .m4a (M4A)

Output format: .aac (AAC)

Category: Audio

Processing: 100% local

File size limit: None

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