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 au in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.brstm -c "convert to au" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.brstmContract.brstm
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert BRSTM to AU
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 AU”
Or run it yourself:
filestarcli -i file.brstm -c "convert to au"
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 AU?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.brstm -c "convert to au" 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.
Audio file created by Audacity, a free, cross platform audio editor; uses a proprietary format that can only be opened by Audacity; saved as one of multiple audio data files for an Audacity project (.AUD).
