Convert st4 to jxr

  1. Download and install the latest version of Filestar.

  2. Right click on one or more St4 file(s) on your desktop and select Convert with Filestar.

  3. Type convert to jxr in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.st4 -c "convert to jxr" (how).

Let your AI agent convert ST4 to JXR

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 ST4 files in my Downloads folder to JXR”

Or run it yourself:

filestarcli -i file.st4 -c "convert to jxr"

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 ST4 to JXR?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.st4 -c "convert to jxr" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .st4 and .jxr?

Extension
.st4
.jxr
Format
Binary
Category
Scientific
Raster Image
Developer
SBIG (Santa Barbara Instrument Group)
Microsoft
Description
The ST4 file type is associated with the SBIG CCD camera ST-4, a device primarily used in astrophotography. This file format is designed to store images captured by the SBIG ST-4 camera, which include data crucial for astronomical observations such as star fields or celestial events. The ST4 format contains both the image data and metadata regarding the capture settings, providing astronomers and enthusiasts with the necessary information for analysis and processing. It is specifically tailored for the astrophotography community, allowing for detailed examination and manipulation of astronomical images.
Image stored in the JPEG XR format, which was originally developed by Microsoft for Windows Media software; supports deep color images with 48-bit RGB; used for high-resolution professional image editing; also supports lossless and lossy compression.
MIME Type
application/vnd.sbig.st4
image/vnd.ms-photo

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