Convert m4r to mkv

Download and install the latest version of Filestar.
Right click on one or more M4r file(s) on your desktop and select Convert with Filestar.
Type convert to mkv in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.m4r -c "convert to mkv" (how).

Let your AI agent convert M4R to MKV

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:

“Convert the M4R files in my Downloads folder to MKV”

Or run it yourself:

filestarcli -i file.m4r -c "convert to mkv"

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 convert M4R to MKV?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.m4r -c "convert to mkv" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .m4r and .mkv?

Name: MPEG 4 Ringtones Audio; Matroska Video
Extension: .m4r; .mkv
Format: Binary; Binary
Category: Audio; Video
Developer: Apple Inc.; Matroska
Description: M4R is an iTunes ringtone file that stores mono channel audio. They are identical to the M4A format files only that they are correctly used for ringtones.; An MKV file is a video container format similar to the .AVI, .ASF, and .MOV formats. It supports several types of audio and video codecs and may include .SRT, .SSA, or .USF (Universal Subtitle Format) subtitles. MKV files also support VobSub subtitles from DVDs.
MIME Type: audio/x-m4r; video/x-matroska
Sample: sample.m4r; sample.mkv
Wikipedia: .m4r on Wikipedia; .mkv on Wikipedia

Convert M4r To Mkv Today

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