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AAC Converter

1. Convert AAC to Other Formats +
  1. 1.1 Convert MP4 to AAC
  2. 1.3 Convert AAC Files
2. Convert Other Formats to AAC +
  1. 2.1 Convert AAC to M4R
  2. 2.2 Convert AAC to MP4
90X faster speed to convert AAC files to any other video or audio format easily.

Top 10 AAC Converters for Windows / Mac

by Christine Smith • 2024-01-11 10:28:12 • Proven solutions

AAC is one of the popularly used audio formats that are compatible with a large number of players and devices. In several situations, the need to convert other formats to AAC and vice-versa arises, and in order to get the task done, converters are required. You can choose from the desktop, online, and other tools depending on your requirements. Know the best AAC converter as below.

Part 1. Best AAC converter for Windows and Mac recommended

For converting your AAC and other audio files in lossless quality on Windows and Mac, we recommend Wondershare UniConverter as the best software. With support to over 1000 formats and pre-set devices, conversion in all major formats is supported by the software. Batch processing is supported, and you can also edit the file parameters as needed. The files can also be added directly from the device in addition to the local system. Additional supported functions include video download, compression, recording, DVD burning, and more.

  • Allows lossless quality conversion in more than 1000 formats
  • Batch processing support at a super-fast speed.
  • Built-in editor to trim, crop, cut, add effects, and add watermark to the files.
  • Video recording, compression, transfer, and other additional features are supported.
  • Supported OS: Windows 10/8/7/XP/Vista, macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7.

Steps to convert AAC to other formats using Wondershare UniConverter:

Step 1 Launch Wondershare UniConverter AAC file converter and add AAC files.

Open the software, and on the Converter tab, click on the add files icon or the + sign to browse and load the files to be converted. Files can also be added directly from the devices and selected the same from the drop-down menu at the add files icon.

Add .aac files to UniConverter

Step 2 Choose the target format.

At the Output Format tab on the bottom-left corner, the list of the supported formats appears. Choose the desired target format from the list and also select the quality.

Choose the output format

Step 3 Convert AAC files.

Clicking on the Start All button will start the conversion process. The processed files on the interface can be checked from the Finished tab, while on the system, it can be located from the folder selected at the File Location tab.

Convert AAC files

In case if you need to convert other formats to AAC, the steps are the same as above. You just need to add the files to be converted at Step 1 and choose AAC at step 2.

Part 2. Best AAC audio converter for free online recommended

Online tools are not only simple but also pocket-friendly options for file conversion as they are free to use. So, for AAC conversion, we suggest as the best online tool. Compatible with Windows and Mac, this program supports all key video, audio, and image formats and can process two files at a time. Local files can be added quickly, and to add them from Google Drive or Dropbox, you need to free sign-up with the program. The converted files can be saved to the local system or Dropbox. to convert AAC

Steps to convert AAC files using

Step 1: Open and click on the Choose Files button to add the local AAC files to be converted.

Step 2: Expand the menu at Convert to section and select the desired target format from the Audio list.

Step 3: Click on the CONVERT button to start the file processing.

Part 3. A free AAC file converter for Windows and Mac

If you are looking for free software that allows converting AAC files without any limitations, Wondershare Free Video Converter is just the right tool to use. Working seamlessly on your Windows and Mac, this freeware tool can convert your AAC files to a wide range of other formats and vice versa. Basic editing is supported, and batch conversion can be done. The processed files come with a watermark.

Steps to convert AAC using Wondershare Free Video Converter:

Step 1: Open the Wondershare Free AAC audio converter on your system, and from the Convert tab, click on the + Add Files button to browse and load the files to be converted.

Add .aac files to Wondershare Free Video Converter

Step 2: Added files with details, and a thumbnail image will appear on the interface. At the top-right corner, expand Convert all files to: tab and select the target format and its quality from the Audio tab.

Choose the output format

Step 3: Tap on the Convert All button to start the batch conversion process. The converted files on the system will save at the desktop folder selected at the Output tab, while on the interface, it can be found at the Converted tab of the AAC converter software.

Convert AAC files with Wondershare Free Video Converter

Part 4. Other 7 AAC converters online

We have shortlisted the other 7 popular online tools for AAC conversion as listed below.

1. CloudConvert

With this online tool, the AAC and other files to be converted can be added from the computer, URL, Google Drive, Dropbox, and OneDrive. There is an option to change the codec, bit rate, and volume, and you can even trim the start and the end. Converted files can be downloaded locally or saved to cloud storage.



  • Option to add files from multiple sources.
  • This AAC converter online tool allows for editing basic file parameters.
  • Save converted files to the cloud or local system.


  • Internet dependence
  • Limited editing features

2. Online Convert

AAC to other formats and vice versa can be done quickly and in a hassle-free manner using this online tool. Files on Dropbox, Google Drive, URL, and computer can be added, and there is an option for editing by a change in bit rate, sampling rate, and channels. The option for trimming and normalizing the video is also there.

Online Convert


  • Add Google Drive, Dropbox, computer, and URL files.
  • Edit basic parameters.
  • This free AAC converter has an option to save the conversion settings.


  • Limited features for editing
  • Dependency on an internet connection
  • 3 files at a time can be converted by unregistered users

3. Zamzar

Convert your local and online files using this widely used tool that features a simple interface. Files up to 50MB can be added to the program with support to an array of target formats. The converted files can be downloaded locally, or there is an option to get them by mail.



  • It is a free tool with a simple interface.
  • Get converted by mail.


  • File size limit is 50MB
  • No Editing features

4. AnyConv

This is a free and simple to use online tool that allows to browse and add the files or simply drag them to the interface. After the files are added, you can choose the target format and then download the converted files to the system.



  • The AAC music converter comes with a simple interface.
  • Files can also be dragged and dropped to the interface.


  • No additional or editing features.
  • Converted files have to be downloaded.

5. OnlineConvertFree

Use this simple online tool to convert your local AAC or other files to an array of supported formats. At a time, two files can be processed, and after the conversion, you can download to your choice of folder on the system.



  • Browse and add the files, or simply drag them.
  • Support for key video and audio formats.


  • Only two files at a time can be converted.
  • Slow conversion speed.

6. FreeConvert

Local, online, or cloud storage files up to 1GB can be added to this online tool for conversion to key formats. The advanced settings option allows for editing the parameters like codec, bit rate, sample rate, channel, and volume. You can even cut the file if needed.



  • Add files from the local system as well as cloud storage.
  • Edit file parameters.
  • Remove and cut unwanted parts.
  • Save converted files to cloud storage.


  • The file size limitation is 1GB.
  • Converted files have to be downloaded.

7. Online Converter

The files on the computer or their URL can be added to this program for conversion to key formats. The maximum size limit is 200MB, and the converted file is available for download on the interface.

Online Converter


  • Add local files or URL.
  • Simple and user-friendly interface.


  • The maximum file size limit is 200MB.
  • It has no option for editing or support for additional features.


Choose one of the above-listed programs which best matches your conversion requirements. Online tools and freeware are good for the basic conversion of a few files, while the professional Wondershare UniConverter is the best AAC converter for the quality conversion of batch files.

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Christine Smith

Christine Smith

chief Editor

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