Download BaCON chrome extension. BaCON (Bioinformatic CONtext menus) adds a right-click menu, containing various quick-tools to use with selected biological data. and install in your Google chrome browser. This is Direct BaCON Crx download for Chrome it is also called BaCON offline CRX for chrome Download. This BaCON is used to BaCON (Bioinformatic CONtext menus) adds a right-click menu, containing various quick-tools to use with selected biological data.