JT Exchange is a free desktop and laptop utility to exchange JyotishTools Android apps horoscope files (JTCharts.db and TSCharts.db) to JyotishTools for Windows and Junior Jyotish. It also can import and export quick chart files used in QuickJyotish as well as a number of other astrology programs. The program is easy to use, just click on the Help button in the program for full instructions. Updated to version 1.03 which fixes bug if a Jyotish Tools for Windows file is truncated (rare).
JT Exchange requires Java to run.
Works with Windows, Linux and MacIntosh computers. Just unzip the file and click on the JTExchange.jar in the folder.