Convert AC3 to MP3 in bulk.
Large AC3 files are supported.

Max size: 200 MB per file

You can convert AC3 Learn more about AC3 files to

Video
Audio


How to convert AC3 to MP3?

You can convert AC3 to MP3 with MConverter in three easy steps:
  1. Choose AC3 files from your device
    At the top of this page, drag and drop your AC3's.
    You can also click to select AC3 files using your operating system's file picker.
    Another method is to press the keyboard shortcut Ctrl+V (⌘+V on Mac) to paste an AC3 file you have copied to clipboard.
    Converting a folder with AC3 files to MP3 is also supported: simply paste or drag and drop it.
  2. Click or tap on MP3 from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's MP3 or something else.
  3. Download your MP3 files, after MConverter has finished processing them
    There's an option to automatically download the converted MP3 files, so you don't have to press the download icon for each MP3.
    You may see a share icon as well. Use it to directly share the MP3's with other apps.

About the formats

Extension ac3
Category Audio file formats
Developed by Dolby
Mime type audio/ac3

Description

AC3 files represent the Dolby Digital audio codec, which can include up to 6 audio channels (DD 5.1 surround sound with subwoofer output). Such files are often used for cinemas, DVDs, and game consoles.
Extension mp3
Category Audio file formats
Developed by MPEG (Moving Picture Experts Group)
Mime type audio/mpeg

Description

MP3 is a commonly used audio format. The audio data is compressed inside the file, which is why MP3 files take up less space than WAV, for example. Even though the audio is compressed, the quality is still good enough for most personal use cases.

Common questions about converting AC3 to MP3

Can I convert AC3 to MP3 in bulk?

Yes, MConverter supports batch converting of multiple AC3's to MP3's simultaneously. You can even drag and drop folders containing AC3's to convert to MP3.
Pasting AC3 files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert an AC3 file to MP3, if its size is 1 GB?

Yes, with MConverter Premium you can convert big AC3's, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert AC3 files over 200 megabytes, try MConverter Premium.

Is converting AC3's to MP3 safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your AC3 files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your AC3's and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,845,932 files so far.

How long does it take to convert AC3 to MP3?

For most audio files, the wait is usually around a minute. However, MConverter also supports converting larger audio files, meaning that it could take a while (up to over an hour, for example).


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