Convert eff to dat

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

Let your AI agent convert EFF to DAT

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 EFF files in my Downloads folder to DAT”

Or run it yourself:

filestarcli -i file.eff -c "convert to dat"

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 EFF to DAT?

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

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .eff and .dat?

Name: EFF Cross-Stitch Chart; Barudan Embroidery Format
Extension: .eff; .dat
Format: Text; Binary
Category: Embroidery; Embroidery
Developer: Barudan
Description: A cross-stitch chart saved as JSON by an embroidery chart app; one design object holding the canvas size, the cross grid size and every cross's colour and position. The field names are transliterated Ukrainian (VushuvkaName, Hrestiks), and the file starts with a JSON array opening.; The dat file type is a proprietary format used by Barudan embroidery machines. It is a vector-based format used to store embroidery designs, including stitch patterns, color sequences, and other design elements. The file can be converted to other formats, such as DST, EXP, JEF, and PES, for use in other embroidery software programs and machines.
MIME Type: application/json; application/x-barudan-embroidery
Sample: sample.eff; sample.dat

Embroidery

Machines that use DAT: Barudan

What a conversion keeps

Stitches: Every stitch is kept at its exact position. Nothing is re-digitised.
Colours: Kept when the target stores them. DST stores no colours, only where each colour changes, so your machine asks for the threads.
Trims, jumps and stops: Kept, and written the way the target machine expects them.
Objects and lettering: Design programs keep shapes and text as objects. A machine file only holds stitches, so objects become stitches.

All Embroidery Formats and Machines →

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