مَرحَبا , this site is about
3arabi, an add-on for your browser, Mozillad Firefox and Microsoft Internet Explorer, that allows you to write "bil 3arabi" by typing english letters and having them converted to arabic letters, on any web form in any web page.
Example : mar7abA becomes مَرحَبا
You can view the videos to see in action or read the detailed help page.
You can also try it live in the box on the left.
If you have any question you can email them to 3arabi at abisalloum dot com