Convert efx to jxr

  1. Download and install the latest version of Filestar.

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

  3. Type convert to jxr in the search box.

  4. Press Convert.

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

Let your AI agent convert EFX to JXR

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 EFX files in my Downloads folder to JXR”

Or run it yourself:

filestarcli -i file.efx -c "convert to jxr"

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 EFX to JXR?

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

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .efx and .jxr?

Extension
.efx
.jxr
Format
Binary
Category
Fax
Raster Image
Developer
Everex
Microsoft
Description
EFX files are associated with Everex Everfax, a type of fax document created by the Everex fax software. This file format was used for storing and sending fax documents electronically, allowing users to manage fax communications directly from their computers. The EFX format contains all the necessary information to accurately reproduce the faxed document, including text and images. Everex Systems was a prominent computer manufacturer and software company during the late 1980s and 1990s, and its Everfax product was among the early solutions integrating fax technology with personal computing.
Image stored in the JPEG XR format, which was originally developed by Microsoft for Windows Media software; supports deep color images with 48-bit RGB; used for high-resolution professional image editing; also supports lossless and lossy compression.
MIME Type
application/vnd.efax
image/vnd.ms-photo

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