Convert efx to djvu

  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 djvu in the search box.

  4. Press Convert.

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

Let your AI agent convert EFX to DJVU

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 DJVU”

Or run it yourself:

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

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 DJVU?

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

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .efx and .djvu?

Extension
.efx
.djvu
Format
Binary
Binary
Category
Fax
Raster Image
Developer
Everex
LizardTech
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.
A DJVU file is a compressed image format developed by AT&T and marketed by LizardTech. It is designed to allow content developers to scan high-resolution color pages of books, magazines, comics, catalogs, etc. and publish them on the web.
MIME Type
application/vnd.efax
image/vnd.djvu

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