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Convert fit to sixel

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Fit 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 photo.fit -c "convert to sixel" (how).

Let your AI agent convert FIT 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

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Convert the FIT files in my Downloads folder to SIXEL”

Or run it yourself:

filestarcli -i photo.fit -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 FIT to SIXEL?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.fit -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 .fit and .sixel?

Name
Flexible Image Transport System
DEC SIXEL Graphics Format
Extension
.fit
.sixel
Format
Binary
Binary
Category
Raster Image
Raster Image
Developer
IAU FITS Working Group
Digital Equipment Corporation (DEC)
Description
FTS file format is used to edit, store and transmit images with metadata (data with spatial and photometric calibrations) for scientific purposes. Most times it stores the data without the actual associated images.
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
image/fits
image/vnd.dwg
Sample
sample.fit
Wikipedia
.fit on Wikipedia
.sixel on Wikipedia

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