WuCuoZi is a free browser add-on available for Chrome that offers a Chinese spelling checker. This program automatically detects errors in your text and provides corrections. Whether you are writing an email, composing a document, or posting on social media platforms like Weibo or Zhihu, WuCuoZi will help you identify and correct spelling mistakes.

Once installed, WuCuoZi integrates seamlessly into your browser. Whenever you select text or enter an editing field on any website, a "Check for Errors" button appears. By clicking this button, the program performs a spell check and underlines any mistakes it finds. This feature is especially useful for those who frequently write in Chinese and want to ensure their texts are error-free.

WuCuoZi supports popular email services such as QQ Mail and 163 Mail, as well as platforms like Weibo and Zhihu for writing articles. With its user-friendly interface and accurate error detection, WuCuoZi is a valuable tool for anyone who wants to improve their Chinese writing.