The Chinese PinYin Slug WordPress plugin convert Chinese UTF-8 character into English PinYin character from a post slugs to improve search engine optimization. For example, when you publish a post with a title like this: “Chinese PinYin” Wordpress automatically assigns a long filename to your post, called a post slug: /%e4%b8%ad%e6%96%87%e6%8b%bc%e9%9f%b3 PinYin Slug plugin convert Chinese character into PinYin character. With Chinese PinYin plugin activated, the slug for our example blog post would look like this: /zhongwenpinyin The slug is generated on saving a post (so you get a chance to look at it before publishing, and change it), or on publish. It won’t overwrite an existing slug. You can force a new slug generation by deleting the existing one.