AC3 to AAC Converter

Convert AC3 to AAC online, from any device with a modern browser like Chrome and Firefox.

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Convert your AC3 files online. You can convert your AC3 documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your AC3 file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your AAC file.

You even can perform more advanced conversions. For example you can convert password protected documents. Just expand LoadOptions and enter the password of your file. Or you can add a watermark to the converted AAC file. Expand the ConvertOptions and fill the fields for watermarking.

Converted AAC files are stored in the cloud. Privacy is 100% guaranteed. All documents are removed from the cloud after 24 hours.

You can convert your AC3 documents from anywhere, from any machine or even from a mobile device. The AC3 converter is always available online and is completely free.

Free Document Conversion, Viewer, Merger app for Windows

  • Easily convert, view or merge unlimited files on your own Windows PC.
  • Process Word, Excel, PowerPoint, PDF and more than 100 file formats.
  • No limit of file size.
  • Batch conversion of multiple files.
  • One app with rich features like Conversion, Viewer, Merger, Parser, Comparison, Signature
  • Regular FREE updates with new features coming every month
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AC3AC3 file format

A file with a .ac3 extension is an Audio Codec 3 file, introduced by Dolby Laboratories. It is an audio format that can contain up to six channels of audio output. The format had been originally used for audio but is now also used for other applications such as HDTV broadcast, DVDs, Blue-ray discs and game consoles. Applications that can open AC3 files include Apple QuickTime player, Microsoft Windows Media Player, Winamp, MPlayer and other similar.

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AACAdvanced Audio Coding

AAC (Advanced Audio Coding) refers to digital audio coding standard that represent audio files based on lossy audio compression. It was launched as successor of MP3 file format keeping in view that the lateral faced issues for the implementation of new ideas in the encoding process based on the development of methods for data compression. AAC achieves better sound quality as compared to MP3 at the same bit rate. It was defined in MPEG-2 Part 7 (ISO/IEC 13818-7), and in an updated form in MPEG-4 Part 3 (ISO/IEC 14496-3). The format was adopted as default media format by YouTube, iPhone, iPod, iPad, Apple iTunes and several other platforms. Several applications and APIs are available for conversion of AAC file format to other formats such as MP3, WMA, M4A, WAV and others.

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How to convert AC3 to AAC

  • Open our free AC3 to AAC converter website.
  • Click inside the file drop area to upload AC3 file or drag & drop AC3 file.
  • Click on Convert button. Your AC3 files will be uploaded and converted to AAC result format.
  • Download link of result files will be available instantly after conversion.
  • You can also send a link to the AAC file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.


  • ❓ How can I convert AC3?
    First, you need to add a file for conversion: drag & drop your AC3 file or click inside the white area to choose a file. Then click the "Convert" button. When AC3 to AAC conversion is completed, you can download your AAC file.
  • ⏱️ How long does it take to convert AC3?
    This converter works fast. You can change AC3 to AAC in a few seconds.
  • 🛡️ Is it safe to convert AC3 to AAC using our free converter?
    Of course! The download link of AAC files will be available instantly after conversion. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File conversion (including AC3 is absolutely safe.
  • 💻 Can I convert AC3 to AAC on Linux, Mac OS or Android?
    Yes, you can use our free AC3 to AAC converter on any operating system that has a web browser. Our AC3 to AAC converter works online and does not require any software installation.
  • 🌐 What browser should I use to convert AC3?
    You can use any modern browser to convert AC3, for example, Google Chrome, Firefox, Opera, Safari.
  • </> How can I get the source code for AC3 to AAC conversion?
    Detailed examples are available at GitHub in the form of executable projects. If you are only interested in AC3 to AAC conversion then check .NET & Java examples.

Other Supported Conversions

You can also convert AC3 into many other file formats. Please see the complete list below.

AC3 TO AIFF Converter (Audio Interchange File Format)
Convert AC3 TO FLAC (Free Lossless Audio Codec)
Convert AC3 TO M4A (M4A file format)
AC3 TO WMA Conversion (WMA file format)
AC3 TO AC3 Conversion (AC3 file format)
AC3 TO OGG Conversion (OGG file format)
AC3 TO WAV Conversion (WAV file format)
Viewer Annotation Conversion Comparison Signature Assembly Metadata Search Parser Watermark Editor Merger Redaction Classification Splitter Translation Unlock Protect Scanner