MP3 to AAC

Convert online and free MP3 to AAC

Free: up to 750 MB per file (Premium: 20 GB)

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convert .mp3 to . aac

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How to convert MP3 to AAC online?

Upload MP3 file Choose your MP3 file with the "Choose File" Button, Drag & Drop or import it directly from Dropbox/Google Drive.
Choose target filetype AAC is set as default target format. Change it if you need a different target filetype for your conversion.
Start Conversion Click "Start Converting!". Most files process in seconds, only the largest files may take a few minutes.
Download your AAC file Download your finished AAC file. Your files will be automatically deleted from our servers.

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Currently we support the following conversions with MP3 files:

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Information about the extensions for the conversion from MP3 to AAC

From: MP3

MPEG-1 or MPEG-2 Audio Layer III, mostly known as mp3 or MP3, designates a format for coding digital audio data. MP3 still ranks among the most popular formats for storing audio data. In the early 80s, the German Fraunhofer Institut developed MP3 as …

File extension: .mp3
More information and converters for MP3

To: AAC

AAC stands for Advanced Audio Coding and is a lossy compression format for audio files. It often delivers better sound quality than MP3 at the same bitrate and is particularly efficient at lower bitrates. Today, AAC is the standard on Apple devices, …

File extension: .aac
More information and converters for AAC

Video-Tutorial: MP3 to AAC

File-Converter-Online.com converts your files for free – no registration, no installation, no watermarks. Works on any device - Windows, macOS, Linux, Android and iOS. The free version supports files up to 750 MB, with Premium up to 20 GB. Our servers are located in Germany, all files are encrypted during transfer and automatically deleted after conversion. Since 2013, we have converted over 128,013,359 files - if you have any questions or issues, you can reach us anytime via the contact form.