Download and install the latest version of Filestar.
Right click on one or more M4a file(s) on your desktop and select Convert with Filestar.
Type edit metadata in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i file.m4a -c "edit metadata" (how).
Let your AI agent edit M4A metadata
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 edit M4A metadata in my Downloads folder”
Or run it yourself:
filestarcli -i file.m4a -c "edit metadata"
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 edit M4A metadata?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.m4a -c "edit metadata" on your computer, so your files stay on it.
An M4A file is an audio file created in the MPEG-4 format, a multimedia container format used to store compressed audio and video data. It contains audio encoded with either the Advanced Audio Coding (AAC) codec or the Apple Lossless Audio Codec (ALAC).