Still very useful nowadays.

must have for Chinese users!
中文必备！

You can validate the effect of this add-on by visiting some websites with SimSun as default font family, such as taobao.com
可以通过访问 taobao.com 等默认宋体字体的网站来对比这个插件的效果。

我是https://github.com/scarsty/FontChineseYahei的原作者，欢迎大家使用。

不错

Very good! I could not find this extension other than Chrome store and that was the only reason I did not use Firefox. Thank you very much! It displays Chinese fonts very well.

很棒，有了这个插件让我下决心从chrome 迁移回Firefox