Download and install the latest version of Filestar.
Right click on one or more Brstm file(s) on your desktop and select Convert with Filestar.
Type convert to vtt in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.brstm -c "convert to vtt" (how).
Documents - File Explorer─☐✕
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.brstmContract.brstm
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert BRSTM to VTT
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 BRSTM files in my Downloads folder to VTT”
Or run it yourself:
filestarcli -i file.brstm -c "convert to vtt"
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 BRSTM to VTT?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.brstm -c "convert to vtt" on your computer, so your files stay on it.
BRSTM (Binary Revolution Stream) is an audio file format developed by Nintendo for streaming sound data in Wii games. It stores compressed or uncompressed PCM/ADPCM audio used for background music and long sound effects. The format is commonly extracted and used by fans for game audio modding and playback in emulators.
WebVTT (Web Video Text Tracks) is a text file format that is used to store subtitles and captions for online video content. It is supported by many web browsers and can be used to add captions and subtitles to HTML5 videos.