Chinese English Character Dictionary 汉英字典 — Look up a character
Chinese Fonts 汉字字体
This article looks at Chinese fonts from the computing perspective, discussing what Chinese Fonts are, what the technologies they are based on are, and what you might do with them.
Pinyin Formatting Tool 写拼音
写汉语拼音象 ni3hao3 工具就变成 nǐhǎo。
Formats pinyin written like ni3hao3 to the form nǐhǎo.
— other resources for reference and learning Mandarin