Convert 3GP to AC3 in bulk.
Large 3GP files are supported.

Max size: 200 MB per file

You can convert 3GP Learn more about 3GP files to


How to convert 3GP to AC3?

You can convert 3GP to AC3 with MConverter in three easy steps:
  1. Choose 3GP files from your device
    At the top of this page, drag and drop your 3GPs.
    You can also click to select 3GP files using your operating system's file chooser.
    Another method is to press Ctrl+V to paste a 3GP 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 3gp
Alternative extension 3gpp
Category Video file formats
Developed by 3GPP (Third Generation Partnership Project for CDMA-based phones)
Mime type video/3gpp


3GP is a multimedia format which can contain both video and audio. Designed by the Third Generation Partnership Project, it is intended for mobile devices with 3G connectivity, though it can also be played on 2G and 4G devices. Note that this format is outdated and superseded by 3G2, which takes up less space and consumes less bandwidth.
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 3GP to AC3

Can I convert 3GP to AC3 in bulk?

Yes, MConverter supports batch converting of multiple 3GPs to AC3's simultaneously. You can even drag and drop folders containing 3GPs to convert to AC3.
Pasting 3GP files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a 3GP file to AC3, if its size is 1 GB?

Yes, with MConverter Premium you can convert big 3GPs, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert 3GP files over 200 megabytes, try MConverter Premium.

Is converting 3GPs to AC3 safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your 3GP 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 3GPs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,171,884 files so far.

How long does it take to convert 3GP 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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