Download and install the latest version of Filestar.
Right click on one or more W3x file(s) on your desktop and select Convert with Filestar.
Type extract in the search box.
Press Extract.
Or let an AI agent do it: filestarcli -i file.w3x -c "extract" (how).
Let your AI agent extract W3X
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:
“Use Filestar to extract W3X in my Downloads folder”
Or run it yourself:
filestarcli -i file.w3x -c "extract"
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 extract W3X?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.w3x -c "extract" on your computer, so your files stay on it.
A Warcraft III map (.w3x/.w3m) or campaign (.w3n) - an HM3W header followed by an MPQ archive holding the terrain, units, script and preview picture. Filestar extracts its files.
