MyanmarFontTagger

In the meantime, Burmese web contents are written using Zawgyi-One or Unicode. Most people have a hard time switching to Unicode which is FUTURE PROOF and a STANDARD encoding system. You might have dreamt of using both Zawgyi-One and Unicode at the same time when you browse the web. No problem buddies, you dream came true with this plugin. So just try it out. :)

The extension used encoding detection pattern which based on the script from Ko Ravi
Font Busters - http://userscripts.org/scripts/show/42941