Convert 3fr to sixel

  1. Download and install the latest version of Filestar.

  2. Right click on one or more 3fr file(s) on your desktop and select Convert with Filestar.

  3. Type convert to sixel in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.3fr -c "convert to sixel" (how).

Let your AI agent convert 3FR to SIXEL

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 3FR files in my Downloads folder to SIXEL”

Or run it yourself:

filestarcli -i file.3fr -c "convert to sixel"

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 3FR to SIXEL?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.3fr -c "convert to sixel" on your computer, so your files stay on it.

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .3fr and .sixel?

Extension
.3fr
.sixel
Format
Binary
Binary
Category
Camera
Raster Image
Developer
Hasselblad
Digital Equipment Corporation (DEC)
Description
Digital photo captured by a Hasselblad digital camera; saves the photo in a RAW format as captured directly by the digital camera's CCD; used for saving photos natively before applying touch-ups, such as white balance or color corrections.
Created by Digital Equipment Corporation (DEC), SIXEL is a bitmap image format in an escaped sequence (seen as six pixels high and one pixel wide). You have to convert it into a more accessible format if you don’t have a DEC terminal to view it.
MIME Type
application/octet-stream
image/vnd.dwg

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