RunJS

Redefine any site with your own CSS & JS—saved per URL. 100% local—no ads, tracking, or account.

What RunJS is for 📢 RunJS lets you redefine how a website looks and behaves with your own CSS and JavaScript—without editing the site’s source. Bind a target URL to optional styles and scripts, open it in one click (redirects are followed for that run), and inject after the page lands so the site follows your rules. 🔨 Typical uses: restyle cluttered UIs, hide distractions, auto-fill forms, skip repetitive clicks, tidy workflow pages after SSO, or keep a personal “fix” of sites you use every day. Why you should install it: 📌 You own the customization — local library only; no account, no remote script fetch, no ads or tracking 📌 Built for real browsing — open-and-inject from the popup or Dashboard; empty code is a URL shortcut 📌 CSS and JS together — one entry can change appearance and behavior for the same URL 📌 Control when and how code runs — document start / DOM ready / full load / idle / delay; isolated or page-main world; optional iframes; persist across refresh, or a cumulative successful-inject cap per tab run when persist is off 📌 Permission stays proportionate — site access is requested when you save inject code (declining still saves locally; inject needs the grant); open-only entries skip host permission What you get: 🔥 Dashboard library with General / CSS / JS / Settings, CodeMirror editor, format, URL test, and draft restore 🔥 Popup search/filter, one-click run, reorder, and jump to Dashboard 🔥 Import/export JSON backups with conflict choices (overwrite / skip / import as new) 🔥 Dark, light, or system theme; editor fonts; 18 interface languages Chrome requirements: ✅ Chrome 135 or newer ✅ On Chrome 138+, enable “Allow User Scripts” on the extension details page ☕️ If you have feature ideas, feedback, or issues, email amals.chrome@gmail.com. Store reviews are welcome too. 🔗 Product page: https://amals-chrome.com/runjs/ 🔗 Privacy policy: https://amals-chrome.com/runjs/privacy/ 它是做什么的 📢 RunJS 用你自己的 CSS 与 JavaScript 重新定义网站的外观与行为——不必改网站源码。为目标网址绑定可选样式/脚本，一点打开（该次运行会跟随跳转落地），到达后注入，让页面按你的规则工作。 🔨 常见用途：改版式、藏干扰、自动填表、跳过重复点击、在 SSO 落地后整理工作页，或给常用站点保留一份「个人版」。 为什么值得安装: 📌 定制权在你手里 — 脚本库仅存本机；无需账号、不远程拉取脚本、无广告无追踪 📌 贴合真实浏览 — 弹窗或 Dashboard 打开并注入；无代码时就是网址快捷方式 📌 CSS 与 JS 一体 — 同一条目既能改样子也能改行为 📌 执行可控 — 文档开始 / DOM 就绪 / 完全加载 / 空闲 / 延迟；隔离或页面主环境；可选 iframe；可常驻刷新；非常驻时按本标签页本次运行累计成功注入次数上限 📌 权限克制 — 保存注入代码时会申请站点访问（拒绝仍可本地保存，注入需已授权）；仅打开网址不申请 你能得到什么: 🔥 Dashboard 脚本库：基本 / CSS / JS / 设置，CodeMirror 编辑、格式化、URL 测试、草稿恢复 🔥 弹窗：搜索筛选、一点运行、排序、跳转 Dashboard 🔥 JSON 导入导出备份，冲突时可选择覆盖 / 跳过 / 全部作为新条目 🔥 暗色 / 亮色 / 跟随系统主题，编辑器字体，18 种界面语言 系统要求: ✅Chrome 135 及以上 ✅Chrome 138+ 请在扩展详情页开启「允许运行用户脚本」 ☕️ 功能建议、反馈或问题：amals.chrome@gmail.com。也欢迎在商店留下评价。 🔗 产品页：https://amals-chrome.com/runjs/ 🔗 隐私政策：https://amals-chrome.com/runjs/privacy/