How to Use MAPC2MAPC to Create Custom Maps for Garmin Devices
MAPC2MAPC is a software that allows you to convert map images and calibrations from various formats to JNX files, which can be used on some Garmin devices that have an unofficial firmware installed. JNX files have some advantages over KMZ files, such as larger size, multiple zoom levels and faster display. However, MAPC2MAPC is not a free software and requires a registration key to remove the red crosses that appear on the maps. In this article, we will show you how to use MAPC2MAPC to create custom maps for your Garmin device and how to get a registration key for it.
Step 1: Download and Install MAPC2MAPC
You can download the latest version of MAPC2MAPC from the official website[^1^]. The software is not digitally signed, so you may get a warning message from Windows Defender or your antivirus software. You can ignore it or use VirusTotal[^1^] to scan the download link. After downloading, unzip the file and run the setup.exe to install the software. You don't need to uninstall the previous version if you have one, as the installation will replace all files.
Step 2: Obtain a Registration Key for MAPC2MAPC
To use MAPC2MAPC without limitations, you need to obtain a registration key for it. You can buy one from the official website[^1^] for Â15 or $25. Alternatively, you can try to find one online from other sources, such as forums or blogs. For example, one user posted a registration key for MAPC2MAPC on GPS Power forum[^2^]. However, we cannot guarantee the validity or safety of these keys, so use them at your own risk.
Once you have installed and registered MAPC2MAPC, you can use it to create JNX files from map images. You can use any map source that you like, such as Google Earth, OpenStreetMap or IGN. You can also use other software, such as MOBAC or SAS Planet, to download map tiles and save them as OSMTracker or SAS Planet format. Then you can use MAPC2MAPC to convert them to JNX files. Here are the basic steps:
Open MAPC2MAPC and click on Load Map Image button.
Select the map image file that you want to convert. If it has a calibration file (such as .map or .tab), it will be loaded automatically. Otherwise, you need to calibrate the map manually using the Edit menu.
Click on Save As button and choose JNX as the output format.
Enter a name for the JNX file and choose a zoom level. You can also adjust other settings, such as quality, transparency and tile size.
Click on Save button and wait for the conversion to finish.
You can also use MAPC2MAPC to create multi-level JNX files from multiple map images of the same area but different zoom levels. To do this, you need to use another tool called jnxmerge[^2^], which is a command line program that merges two JNX files into one. You can find more details and instructions on how to use jnxmerge on GPS Power forum[^2^].
Step 4: Transfer JNX Files to Your Garmin Device
After creating JNX files with MAPC2MAPC, you need to transfer them to your Garmin device. However, not all Garmin devices support JNX files. You need to have a device that has an unofficial firmware installed that enables this feature. You can find more information about which devices are compatible and how to install the unofficial firmware on GPS Power forum[^3^]. Be aware that installing unofficial firmware may void your warranty and cause problems with your device.
To transfer JNX files to your Garmin device, you need to connect it to your computer via USB cable and copy the JNX files to the Garmin/BirdsEye folder on your device's memory card. If you don't have this folder, you need to create 0efd9a6b88