Convert rgf to jbg

  1. Download and install the latest version of Filestar.

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

  3. Type convert to jbg in the search box.

  4. Press Convert.

  5. Or let an AI agent do it: filestarcli -i photo.rgf -c "convert to jbg" (how).

Let your AI agent convert RGF to JBG

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 RGF files in my Downloads folder to JBG”

Or run it yourself:

filestarcli -i photo.rgf -c "convert to jbg"

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 RGF to JBG?

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

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .rgf and .jbg?

Extension
.rgf
.jbg
Format
Binary
Binary
Category
Raster Image
Raster Image
Developer
LEGO
Joint Bi-level Image Experts Group (JBIG)
Description
The LEGO Mindstorms EV3 Robot Graphics File (RGF) is a proprietary binary file format used by the LEGO Mindstorms EV3 software to store robot graphic models. It is a vector-based file format that stores information such as the robot's 3D geometry, color and other visual properties, as well as the model's connection points, used for connecting with other LEGO elements.
Created by JBIG (Joint Bi-level Image Experts Group), JBG is a lossless file format that contains both colored and monochrome images. Commonly used to compress fax images, and it has better compression than G3 and G4 compression codecs.
MIME Type
application/vnd.lego.ev3rgf
image/jbig

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