Download and install the latest version of Filestar.
Right click on one or more Gzip file(s) on your desktop and select Convert with Filestar.
Type convert to xz in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.gzip -c "convert to xz" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.gzipContract.gzip
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert GZIP to XZ
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 GZIP files in my Downloads folder to XZ”
Or run it yourself:
filestarcli -i file.gzip -c "convert to xz"
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 GZIP to XZ?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.gzip -c "convert to xz" on your computer, so your files stay on it.
A compressed file format associated with GNU Zip (Gzip) that uses the DEFLATE compression algorithm, a combination of both the Huffman coding and the Lempel-Ziv (LZ77) codec.
Commonly used for Linux software distribution, XZ files are archive files compressed with XZ compression algorithm. It may hold one or more compressed files.