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Convert jnx to pgm

  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 pgm in the search box.

  4. Press Convert.
convert jnx to pgm

What is the difference between .jnx and .pgm?

Name
Garmin Tile Format
Portable Gray Map Image
Extension
.jnx
.pgm
Format
Binary
Binary
Category
Raster Image
Raster Image
Developer
Garmin
Jef Poskanzer
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 PGM file is a grayscale image file saved in the portable gray map (PGM) format and encoded with one or two bytes (8 or 16 bits) per pixel. It contains header information and a grid of numbers that represent different shades of gray from black (0) to white (up to 65,536). PGM files are typically stored in ASCII text format, but also have a binary representation.
MIME Type
application/x-jnx
image/x-portable-graymap
Sample
sample.pgm
Wikipedia
.pgm on Wikipedia

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