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Convert jnx to jbig

  1. Download and install the latest version of Filestar.

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

  3. Type convert to jbig in the search box.

  4. Press Convert.

  5. Or let an AI agent do it: filestarcli -i photo.jnx -c "convert to jbig" (how).

Let your AI agent convert JNX to JBIG

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 JNX files in my Downloads folder to JBIG”

Or run it yourself:

filestarcli -i photo.jnx -c "convert to jbig"

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 JNX to JBIG?

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

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .jnx and .jbig?

Name
Garmin Tile Format
Joint Bi-level Image Experts Group
Extension
.jnx
.jbig
Format
Binary
Binary
Category
Raster Image
Raster Image
Developer
Garmin
Joint Bi-level Image Experts Group (JBIG)
Description
JNX is a raster image file format used by Garmin devices. It stores satellite map images seen through a BirdsEye subscription. This satellite maps are divided into smaller tiles for faster loading when displaying them. Hence, the name tile format.
JBIG is a lossless compression file format that was created for the fax machine; it can be used by other image file formats. The files created by JBIG format are smaller compared to G3 and G4 file formats.
MIME Type
application/x-jnx
image/jbig
Sample
sample.jbig
Wikipedia
.jbig on Wikipedia

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