According to AlphaMoat, as of 2026-09, the Chrome extension fanyi has 10 users — ranked #9,831 of 10,223 AI browser extensions, and #1,973 of 2,072 in Office & Collaboration.
What is fanyi
开源、轻量的智能 AI 网页翻译与划词翻译工具。 fanyi 是一个开源、轻量的智能 AI 翻译扩展。保留网页原文，在每个段落下方插入译文；选中任意文字即可就地翻译、复制与朗读。
主要功能
- 网页翻译：原文与译文对照阅读，滚动到哪里翻译到哪里，动态加载的内容也会自动补译
- 划词翻译：选中文本后直接显示译文，支持复制与朗读原文
- 内置 Google 翻译，无需任何配置即可使用
- 也可以填入自己的 OpenAI 兼容接口地址与模型，API Key 只保存在浏览器本地
- 自动识别源语言，支持 10 种目标语言
- 三种译文样式、网站排除列表、可自定义快捷键
Extension profile
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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.