Download and install the latest version of Filestar.
Right click on one or more Ntfs file(s) on your desktop and select Convert with Filestar.
Type convert to zipx in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.ntfs -c "convert to zipx" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
Music
.ntfsContract.ntfs
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert NTFS to ZIPX
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 NTFS files in my Downloads folder to ZIPX”
Or run it yourself:
filestarcli -i file.ntfs -c "convert to zipx"
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 NTFS to ZIPX?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.ntfs -c "convert to zipx" on your computer, so your files stay on it.
Microsoft developed the New Technology File System (NTFS) for Windows NT operating system to retrieve and store files on a hard disk.
WinZip, starting with version 12.1, uses the extension .zipx for ZIP files that use compression methods newer than DEFLATE; specifically, methods BZip, LZMA, PPMd, Jpeg and Wavpack. The last 2 are applied to appropriate file types when "Best method" compression is selected.