RunJS

RunJS Extension for Chrome

A Free Developer Tools Extension

Published By runjs.work

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App Info

  • • Type: Browser Extension
  • • Latest Version: 1.2.2
  • • Price: Freeware
  • • Offline: No
  • • Developer: runjs.work

User Reviews

  • ★★★★☆
  • • Rating Average
  • 4 out of 5
  • • Rating Users
  • 4

Download Count

  • • Total Downloads
  • 11
  • • Current Version Downloads
  • 5
  • • Updated: June 6, 2026

RunJS is a free Developer Tools Extension for Chrome. You could download the latest version crx file or old version crx files and install it.

中文简介
RunJS是一个前端专用的在线代码编辑器,能在浏览器上完成轻量级的前端代码编写、预览和分享。

RunJS浏览器插件支持一键重构任意网页的html/css代码,并且支持获取网页部分模块的组件代码,是前端人员收藏网页效果的好帮手。

英文简介
RunJS is an online Javascript playground, for creating/collecting and sharing html/css/js code. Without switching from browser tabs or apps, user can write a code snippet or markdown note for current viewing technical article.

You can also use RunJS chrome extension to collect UI component from any website easily. The output is only pure html/css code based on user-defined styles on origin website, no getComputedStyle. Support tailwind/inline style, support JSX, support simple hover effects and css animations.

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