Convert fts to sixel

Download and install the latest version of Filestar.
Right click on one or more Fts file(s) on your desktop and select Convert with Filestar.
Type convert to sixel in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.fts -c "convert to sixel" (how).

Let your AI agent convert FTS 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 FTS files in my Downloads folder to SIXEL”

Or run it yourself:

filestarcli -i photo.fts -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 FTS to SIXEL?

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

Using Filestar With AI Agents →

What is the difference between .fts and .sixel?

Name: Flexible Image Transport System; DEC SIXEL Graphics Format
Extension: .fts; .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.fts
Wikipedia: .fts on Wikipedia; .sixel on Wikipedia

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