Download and install the latest version of Filestar.
Right click on one or more M4p file(s) on your desktop and select Convert with Filestar.
Type reduce file size in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i file.m4p -c "reduce file size" (how).
Let your AI agent reduce M4P file size
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on Windows only.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Use Filestar to reduce M4P file size in my Downloads folder”
Or run it yourself:
filestarcli -i file.m4p -c "reduce file size"
Runs on your computer, so your files stay on it. Works on Windows. 50 free conversions with the npm install, no account needed.
Can my AI agent reduce M4P file size?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.m4p -c "reduce file size" on your computer, so your files stay on it.
M4P is an audio file format used by the iTunes Music Store. It is a protected file format that uses Digital Rights Management (DRM) encryption to protect the audio from being illegally copied. It is one of the most popular audio formats on the iTunes Music Store and can be used to play music on Apple devices such as iPhones, iPads, and Mac computers.
