Convert x3f to rgbo

  1. Download and install the latest version of Filestar.

  2. Right click on one or more X3f file(s) on your desktop and select Convert with Filestar.

  3. Type convert to rgbo in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.x3f -c "convert to rgbo" (how).

Let your AI agent convert X3F to RGBO

Claude Code, Codex, Cursor and other agents can do this with Filestar. This skill runs in Filestar's cloud and needs a paid Filestar plan.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the X3F files in my Downloads folder to RGBO”

Or run it yourself:

filestarcli -i file.x3f -c "convert to rgbo"

Runs in Filestar's cloud and needs a Filestar plan.

Can my AI agent convert X3F to RGBO?

Yes, with a paid Filestar plan: this skill runs in Filestar's cloud. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.x3f -c "convert to rgbo".

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .x3f and .rgbo?

Extension
.x3f
.rgbo
Format
Binary
Category
Camera
Other
Developer
SIGMA
Adobe Systems
Description
The X3F file format, also known as the SIGMA X3F Camera RAW File, is a proprietary image format developed by Sigma Corporation for storing raw image data captured by Sigma cameras equipped with the Foveon X3 sensor. Unlike standard JPEGs or TIFFs, X3F files contain unprocessed data from the camera's sensor, offering photographers greater flexibility in image editing.
Format for representing colors in the three primary colors (red, green and blue), each of which has 255 gradations. In contrast to the standard RGB, it allows you to change the transparency of the entire image using the opacity parameter.
MIME Type
image/x-sigma-x3f
image/x-rgbo

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