MP4 to AC3 Converter
Convert your mp4 files to ac3 online & free
mp4
ac3
Settings
AC3 (Dolby Digital)
The codec to encode the audio track. Codec "Without reencoding" copies the audio stream from the input file into output without re-encoding if possible.
Auto
Set the overall output AC3 (Dolby Digital) audio bitrate. If set to "Custom", the usable (and recommended) range is ≥160 kbps. The maximum bitrate is 640 kbps.
Auto (No change)
Set the number of audio channels. This setting is most useful when downmixing channels (e.g., from 5.1 to stereo).
Convert to MP4
mp4
MPEG-4 Part 14
MP4 is an extension defined by MPEG-4 video standard and AAC audio standard. It is a container that supports all kinds of media such as video, audio, subtitles, 2D and 3D graphics. It is possible to open MP4 file with almost any player on Windows but on Mac you should use a plug-in or just convert the file to another format.
AC3 Converter
ac3
AC3 Audio File
Dolby Digital film format, developed for encoding audio tracks for films. It supports up to 6 audio channels: left, right, front, rear, upper and lower. Because of this, it allows you to store “3-dimensional” audio tracks. It’s widely used both in movie theaters and by the users themselves for storing audio tracks in film libraries at home.
How to convert MP4 to AC3
Step 1
Upload mp4-file(s)
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Step 2
Choose "to ac3"
Choose ac3 or any other format you need as a result (more than 200 formats supported)
Step 3
Download your ac3
Let the file convert and you can download your ac3 file right afterwards