Download and install the latest version of Filestar.
Right click on one or more Ani file(s) on your desktop and select Convert with Filestar.
Type convert to j2k in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.ani -c "convert to j2k" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
Documents
Pictures
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.aniContract.ani
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert ANI to J2K
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 ANI files in my Downloads folder to J2K”
Or run it yourself:
filestarcli -i file.ani -c "convert to j2k"
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 ANI to J2K?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.ani -c "convert to j2k" on your computer, so your files stay on it.
Ani files are Windows Animated Cursor files that are used for displaying custom animated mouse cursors in the Windows operating system. They are similar to animated GIFs and can be created with various image editing programs.
Compressed bitmap image that uses wavelet compression instead of the DCT compression used by standard .JPEG images; supports 16-bit color, alpha transparency, and lossless compression.