Gotham jxl filter

Download and install the latest version of Filestar.
Right click on one or more Jxl file(s) on your desktop and select Convert with Filestar.
Type gotham filter in the search box.
Press Run.
Or let an AI agent do it: filestarcli -i photo.jxl -c "gotham filter" (how).

Let your AI agent gotham JXL filter

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

Or add it in one click:

Claude Code:

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

Then ask your agent:

“Use Filestar to gotham JXL filter in my Downloads folder”

Or run it yourself:

filestarcli -i photo.jxl -c "gotham filter"

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 gotham JXL filter?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.jxl -c "gotham filter" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is .jxl?

Name: JPEG XL Image
Extension: .jxl
Format: Binary
Category: Raster Image
Developer: Joint Photographic Experts Group
Description: A JPEG XL file is an image saved in a compressed graphic format currently under development by the Joint Photographic Experts Group (JPEG). It supports wide color gamut and HDR (High Dynamic Range), alpha channels and animation frames while providing visually lossless compression. Images can be converted back and forth between JPEG XL and JPEG without loss of quality. Converting a regular JPEG to JPEG XL reduces the file size by 22%. JPEG XL files can be used to store any type of image content.
MIME Type: image/jpegxl
Sample: sample.jxl
Wikipedia: .jxl on Wikipedia

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