3GP to OPUS Converter (.3gp to .opus)
Convert 3GPP Mobile Multimedia Container (.3gp) files to IETF Opus Interactive Audio Codec (.opus) directly on your device. 3GP is commonly used for restoring and converting old mobile phone videos into modern mp4 files, while OPUS is ideal for converting whatsapp/signal/discord `.opus` voice notes into `.mp3` or `.wav`. Every conversion runs locally in your browser with zero server uploads.
100% On-Device Processing • Files Never Leave Your Browser (0 KB Uploaded)
Why Convert 3GP to OPUS Locally?
Preserve old personal mobile videos privately on your computer. Unlike cloud converters that upload your .3gp files to remote servers, Artoons processes your files directly on your device.
How to Convert 3GP to OPUS
- Download the free Artoons Desktop App to enable the native 3GP conversion engine.
- Drop your .3gp files or folders into the queue and select OPUS (.opus).
- Click Convert to save your .opus files locally with no file size limits.
Frequently Asked Questions
Do my 3GP files ever get uploaded anywhere?
Never — 100% of the conversion runs locally inside your own device memory with 0 KB sent over the network.
Will 3GP to OPUS look or sound worse?
Both 3GP and OPUS keep crisp detail when swapped locally on your own hardware. You can also tweak output quality in Preferences anytime.
How big of a .3gp file can I convert here?
Supported in the Artoons Desktop App via FFmpeg.