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Convert jnx to ptif

  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 ptif in the search box.

  4. Press Convert.

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

Let your AI agent convert JNX to PTIF

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 PTIF”

Or run it yourself:

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

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 PTIF?

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

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .jnx and .ptif?

Name
Garmin Tile Format
Pyramid Encoded TIFF File
Extension
.jnx
.ptif
Format
Binary
Binary
Category
Raster Image
Raster Image
Developer
Garmin
Kermit
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.
File extension ptif is mainly associated with the Pyramid encoded TIFF bitmap graphics file format. Multi-resolution TIFF containing successively smaller versions of the image down to the size of an icon.
MIME Type
application/x-jnx
image/x-ptif
Sample
sample.ptif

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