Download and install the latest version of Filestar.
Right click on one or more Sit file(s) on your desktop and select Convert with Filestar.
Type convert to tar.bz2 in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.sit -c "convert to tar.bz2" (how).
Let your AI agent convert SIT to TAR.BZ2
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 SIT files in my Downloads folder to TAR.BZ2”
Or run it yourself:
filestarcli -i file.sit -c "convert to tar.bz2"
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 SIT to TAR.BZ2?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.sit -c "convert to tar.bz2" on your computer, so your files stay on it.
StuffIt Archive (.sit) is a compressed archive format originally developed for the classic Mac OS. It bundles multiple files into a single archive while compressing them and preserving Mac-specific data such as resource forks. It was long the standard way to distribute and store files on the Macintosh platform.
It is a TAR archive file compressed using BZ2 compression codec and is popularly used to distribute Linux application packages.