Download and install the latest version of Filestar.
Right click on one or more Obu file(s) on your desktop and select Convert with Filestar.
Type convert to webm in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.obu -c "convert to webm" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
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.obuContract.obu
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert OBU to WEBM
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 OBU files in my Downloads folder to WEBM”
Or run it yourself:
filestarcli -i file.obu -c "convert to webm"
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 OBU to WEBM?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.obu -c "convert to webm" on your computer, so your files stay on it.
A WEBM file is a compressed video saved in the WebM format, an open, high-quality video standard. It stores video compressed using VP8 technology and audio compressed using Ogg Vorbis compression. WEBM files are commonly used for delivering online videos using the HTML5 <video> tag.