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Convert g4 to ras

  1. Download and install the latest version of Filestar.

  2. Right click on one or more G4 file(s) on your desktop and select Convert with Filestar.

  3. Type convert to ras in the search box.

  4. Press Convert.

  5. Or let an AI agent do it: filestarcli -i file.g4 -c "convert to ras" (how).

Let your AI agent convert G4 to RAS

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 G4 files in my Downloads folder to RAS”

Or run it yourself:

filestarcli -i file.g4 -c "convert to ras"

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 G4 to RAS?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.g4 -c "convert to ras" on your computer, so your files stay on it.

Using Filestar With AI Agents →

What is the difference between .g4 and .ras?

Name
Group 4 FAX
SUN Rasterfile
Extension
.g4
.ras
Format
Binary
Binary
Category
Fax
Raster Image
Developer
Computer Fax Systems (CFS)
Sun
Description
Group 4 (G4) used for black and white lossless compression to maintain high-quality images, commonly used in TIFF format compression by fax machines. A picture is seen as black dots and lines on a blank page; the fewer the dots and lines are, the lesser the file size.
Originally used on the Sun Microsystems computers, RAS is a raster image format that displays bitmap images. It is popularly used for specific types of research projects and it can be developed in Unix OS as well. It supports 1 and 32-bits per pixel and used RLE compression codec.
MIME Type
image/g4fax
image/x-cmu-raster
Wikipedia
.ras on Wikipedia

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