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

Max size: 200 MB per file

You can convert MPG Learn more about MPG files to


How to convert MPG to AC3?

You can convert MPG to AC3 with MConverter in three easy steps:
  1. Choose MPG files from your device
    At the top of this page, drag and drop your MPGs.
    You can also click to select MPG files using your operating system's file chooser.
    Another method is to press Ctrl+V to paste an MPG file you have copied to clipboard.
  2. Click or tap on AC3 from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's AC3 or something else.
  3. Download your AC3 files, after MConverter has finished processing them
    There's an option to automatically download the converted AC3 files, so you don't have to press the download icon for each AC3.

About the formats

Extension mpg
Alternative extension mpeg
Category Video file formats
Developed by MPEG (Moving Picture Experts Group)
Mime type video/mpeg


MPG is a video format by the Moving Picture Experts Group. MPG files typically use MPEG-1 or MPEG-2 as their codec.

You may wish to convert MPG videos to the relatively newer MP4 (MPEG-4) format, which is more widely supported and can incorporate more efficient codecs.
Extension ac3
Category Audio/Music file formats
Developed by Dolby
Mime type audio/ac3


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.

Common questions about converting MPG to AC3

Can I convert MPG to AC3 in bulk?

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

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

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

Is converting MPGs to AC3 safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your MPG 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 MPGs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,171,899 files so far.

How long does it take to convert MPG to AC3?

For most videos, the wait could be a few minutes or less. However, MConverter also supports converting larger videos, meaning that it could take a while (up to over an hour, for example).
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