Many Hindi reader get trouble when they not understand English web page when they face difficult word in english but don't worry Firefox add one will do your help to find possible Hindi meaning of written word. and its one another advantage that Hindi pop up work without internet.
just hover the mouse on top of an English word and a pop-up will appear with suggestions of possible Hindi equivalents.
1.open Mozilla Firefox.
2. click this link hindi-pop-up
3. click +ADD TO FIREFOX
4. after successful download
5. click on install now.
6. Restart browser.
If not work correctly or stopped working than press hold Alt+Crtl and right click mouse button.