Where you would type phonetic Sinhala , means For example: aayuboewan, si\nhalin akuru gotanna udavkaranna puluvanviima satuTaki. Would output ආයුබෝවන්, සිංහලින්අකුරුගොතන්නඋදව්කරන්නපුලුවන්වීමසතුටකි.
Output can be copied and past in EK or office docs like MS-Word.
This is a simple very useful tool. You find a help there itself.