Quick JIRA ticket opening extension
This extension makes opening JIRA tickets easier. You can assign a shortcut to the extension on Chrome extension page and then use it to open a window, where you can type in the category and number of the JIRA ticket and then press Enter to open the ticket page.
In options you can specify different JIRA categories you work with. In order to switch between categories when the extension's windows is opened, press '0' before the ticket number. It's easy and intuitive to use this extension after a few tries.