Download and install the latest version of Filestar.
Right click on one or more 3gp file(s) on your desktop and select Convert with Filestar.
Type slow down in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i file.3gp -c "slow down" (how).
Let your AI agent slow 3GP down
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Use Filestar to slow 3GP down in my Downloads folder”
Or run it yourself:
filestarcli -i file.3gp -c "slow down"
Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.
Can my AI agent slow 3GP down?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.3gp -c "slow down" on your computer, so your files stay on it.
A 3GP file is a multimedia file saved in an audio and video container format developed by the 3rd Generation Partnership Project (3GPP). It stores video and audio streams that are transmitted between 3G mobile phones and over the Internet.