Split m4a into stems

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 split into stems in the search box.
Press Split.

Or let an AI agent do it: filestarcli -i file.m4a -c "split into stems" (how).

Let your AI agent split M4A into stems

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

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Use Filestar to split M4A into stems in my Downloads folder”

Or run it yourself:

filestarcli -i file.m4a -c "split into stems"

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 split M4A into stems?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.m4a -c "split into stems" on your computer, so your files stay on it.

Using Filestar With AI Agents · Download SKILL.md

What is .m4a?

Name: MPEG-4 Audio File
Extension: .m4a
Format: Binary
Category: Audio
Developer: Apple
Description: 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).
MIME Type: audio/mp4
Sample: sample.m4a
Wikipedia: .m4a on Wikipedia

Split M4a Into Stems Today

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