Convert Pinyin Tone Numbers To Tone Marks

http://pinyin.info/unicode/marks3.html

Your Window on China and the World

http://www.cctv.com/english/index.shtml

ChineseTide

http://www.chinesetide.com/en/index.asp
This website has comprehensive resources on language and culture. It has online testing, courses for both adults and kids. The resources include Chinese knowledge, humor, fable, fairy tale, ancient poem, anecdote, idiom story and riddle.

Chinese Language in the Schools

http://www.askasia.org/chinese/index.htm
This website provides useful information for starting a Chinese program, becoming a certified Chinese teacher, and finding Chinese schools. It has many resources, including the latest headlines related to Chinese.

Chinese Language Center

http://www.yellowbridge.com/
These language resources on this website are comprehensive, unique and innovative to supplement any study program. It has the web's most comprehensive Chinese-English Dictionary. The feature I like the most is the Chinese Flashcards. It customized for some of the top textbooks, including Integrated Chinese and New Practical Chinese Reader. The Chinese Memory Game is a very effective tool for the students to review and memorize the Characters.

Chinese Most Powerful Search Engine

baidu.com
This powerful Chinese search engine finds authentic materials in Chinese, such as stories, fables, music, movies, songs and anything related to Chinese language and culture.

ChinaOnTV

http://www.chinaontv.com/
This newly designed website has very rich cultural resources. Under the Culture link, it has documentary film clips, cuisine, e-culture, find your name in Chinese, fortune tell and dream cracker. The Learning link features business and essential vocabulary, fast food Chinese and Chinese yoyo. Recommended for the students of the high school and college levels.