Rated 5 out of 5 stars

Realy good

but, i saw an Import Tab... But where can i export my Tags from another computer?

This review is for a previous version of the add-on (0.8.20).  This user has a previous review of this add-on.

You need not to export tags. Copy prefs.js in the profile directory you want to import. Then choose "prefs.js" and specify the file path in the Import tab.