Convert Compact Pro Archive to tar.xz

Download and install the latest version of Filestar.
Right click on one or more Cpt file(s) on your desktop and select Convert with Filestar.
Type convert to tar.xz in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.cpt -c "convert to tar.xz" (how).

Let your AI agent convert Compact Pro Archive to TAR.XZ

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on macOS only.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Convert the Compact Pro Archive files in my Downloads folder to TAR.XZ”

Or run it yourself:

filestarcli -i file.cpt -c "convert to tar.xz"

Runs on your computer, so your files stay on it. Works on macOS. 50 free conversions with the npm install, no account needed.

Can my AI agent convert Compact Pro Archive to TAR.XZ?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.cpt -c "convert to tar.xz" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between Compact Pro Archive and .tar.xz?

Name: Compact Pro Archive; XZ Compressed Tar Archive
Extension: .cpt; .tar.xz
Format: Binary; Binary
Category: Compressed; Compressed
Developer: Bill Goodman; Tukaani
Description: Compact Pro Archive (.cpt) is a compressed archive format used on classic Mac OS, created by the Compact Pro compression utility. It bundles multiple Macintosh files—including resource forks—into a single compressed archive, and served as a popular alternative to StuffIt in the early 1990s.; File created using Tar archive and XZ compression tools; contains a .TAR archive that has been compressed using .XZ compression, which compresses at a high ratio.
MIME Type: application/mac-compactpro; application/x-xz-compressed-tar
Sample: sample.tar.xz
Wikipedia: .cpt on Wikipedia; .tar.xz on Wikipedia

Convert Compact Pro Archive To Tar.xz Today

Get started within minutes

Download