3GP to AU Converter
Get AU audio out of 3GP videos quickly online
No Installation
The converter runs entirely in your web browser. No plugins, no apps, no downloads — just open convertio.tools and start converting immediately.
Soundtrack Capture
Grab the audio layer from 3GP recordings and store it as AU. Perfect for isolating music, dialogue, or ambient sound from video footage.
Audio Controls
Set bitrate, sample rate, and channel configuration before conversion. Shape the audio output to match your exact playback or production needs.
How to convert 3GP to AU
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose au or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your au file right afterwards
About formats
Frequently Asked Questions
AU is used in particular professional or legacy systems. Moving 3GP audio to AU ensures compatibility with applications that depend on this format.
Open AU using SoX, Audacity, and Unix/Linux audio tools natively supported on Sun/NeXT systems.
All audio from the 3GP source is captured in the AU output. The conversion preserves the full duration of the original soundtrack.
We take privacy seriously — uploaded 3GP files are erased once converted, and AU outputs are automatically deleted within 24 hours.
Nothing to install — everything happens in the browser. Open convertio.tools, upload your 3GP, and receive the AU without any software setup.
Absolutely. The converter runs entirely in your mobile browser on iOS or Android — upload 3GP, pick AU, and save the output to your device.