Inject JS - Run JavaScript code

Name: Inject JS - Run JavaScript code
Rating: 4.88 (16 reviews)
Author: Todd

Inject js on any website Run JavaScript code

As of June 2026, Inject JS - Run JavaScript code has 2,000 users and a 4.88/5 rating from 16 reviews in the Developer Tools category.

Todd Developer Tools

Chrome Web Store ↗.crx

Users+100.0%

2.0K

2,000

Rating+0.2%

4.88

16 reviews

Reviews+6.7%

Version

1.2

Manifest V3

90-day change · In the last 90 days this extension gained 1.0K users.

History

3 snapshots

Tracking since Apr 19, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 19, 2026	1.0K	4.87	15	1.2
May 11, 2026	1.0K	4.87	15	1.2
Jun 6, 2026	1.0K	4.87	15	1.2
Now	2.0K	4.88	16	1.2

Permissions & access

Permissions: storageactiveTabscripting
Host access: <all_urls>

Screenshots

Inject JS - Run JavaScript code screenshot 1

Inject JS - Run JavaScript code screenshot 2

About

A powerful browser extension that allows you to instantly inject and execute JavaScript code on any website. Perfect for web developers, testers, and power users who need to customize web page behavior on the fly.
Key features:
Execute custom JavaScript code on any website with a single click
Save and manage multiple scripts for different websites
Automatic script injection based on domain rules
Multiple injection methods to bypass various CSP restrictions
Dark mode support for comfortable coding at night
Import/export functionality for backing up your scripts
Works across all websites with proper permissions
Whether you need to test new features, automate repetitive tasks, modify website behavior, or enhance your browsing experience, this extension gives you the power to run custom JavaScript directly in any web page

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一款强大的浏览器扩展程序，让您能够即时注入并执行任意网站的JavaScript代码。专为需要实时定制网页行为的开发者、测试人员和高级用户打造。

核心功能亮点：
✔ 一键执行自定义JavaScript代码于任意网页
✔ 支持按网站分类保存管理多组脚本
✔ 基于域名规则的自动脚本注入机制
✔ 多途径注入方案突破CSP内容安全策略限制
✔ 护眼深色模式助力夜间编码
✔ 脚本导入/导出功能保障数据安全
✔ 全面兼容所有授权网站

无论是功能测试、自动化流程开发、网页行为调试，还是个性化浏览体验定制，本扩展都能让您直接在网页环境中运行定制化JavaScript脚本，赋予您对网页的深度控制权。

author：Todd
e-mail：[email protected]