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 ott in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.m4r -c "convert to ott" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.m4rContract.m4r
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert M4R to OTT
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:
“Convert the M4R files in my Downloads folder to OTT”
Or run it yourself:
filestarcli -i file.m4r -c "convert to ott"
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 OTT?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.m4r -c "convert to ott" on your computer, so your files stay on it.
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.
n OTT file is a document template saved in OASIS' OpenDocument standard format and created by word processors included in the OpenOffice and LibreOffice suites. It contains the page layout and default styles for a text document. OTT files are used for authoring .ODT documents that have the same appearance and formatting.
