Convert jnx to mat

Download and install the latest version of Filestar.
Right click on one or more Jnx file(s) on your desktop and select Convert with Filestar.
Type convert to mat in the search box.
Press Convert.

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

Let your AI agent convert JNX to MAT

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 MAT”

Or run it yourself:

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

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 MAT?

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

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .jnx and .mat?

Name: Garmin Tile Format; MATLAB Data File (MAT-file)
Extension: .jnx; .mat
Format: Binary; Binary
Category: Raster Image; Data
Developer: Garmin; The MathWorks
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.; A MAT-file holds the variables saved from a MATLAB session: numeric arrays such as matrices and images, text, cell arrays and structs. Files saved with -v7.3 are HDF5 files behind a MATLAB header. Unity and Unreal material files use the .mat extension too, but they are a different format.
MIME Type: application/x-jnx; application/octet-stream
Sample: sample.mat
Wikipedia: .mat on Wikipedia

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