could be customized. During Mar 22, 2006 - Mar 22, 2009, pinyin4j has 13,542 visits and 10,608 downloads (came from 1,545 cities worldwide). Features Convert Chinese (both Simplified and Tranditional) to most popular pinyin systems. Supporting pinyin system are listed below. Hanyu Pinyin Tongyong Pinyin Wade-Giles MPS2 (Mandarin Phonetic Symbols II)