Effortless JavaScript Injection for Chrome Users

InjectJS is a powerful Chrome extension designed for developers and advanced users, allowing them to inject custom JavaScript into any webpage. This tool automates tasks, modifies page behaviors, and enhances websites with ease. Users can create, edit, enable, disable, or delete scripts through a user-friendly custom script management system. With features like URL and pattern matching, users can control where their scripts run, ensuring precision and efficiency.

The extension includes a right-click context menu for quick script execution and a mini dashboard for easy access to scripts. Its built-in code auto-formatting ensures that the JavaScript remains clean and error-free. Furthermore, InjectJS is fully local and secure, storing scripts on the user's device, and complies with Chrome's latest performance and security standards, making it an essential tool for anyone looking to personalize their browsing experience.

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App specs

  • License

    Free

  • Version

    3.1.0

  • Latest update

  • Platform

    chrome

  • Language

    English

  • Downloads

    4

    Last month's downloads

    • 3
  • Developer

Program available in other languages



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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is InjectJS – JavaScript Injector & Custom Script Manager safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

  • Virus free
  • Spyware free
  • Malware free
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Scan Info

Last scan
Tuesday, July 29, 2025
Scan provider
VirusTotal

Softonic security commitment

InjectJS – JavaScript Injector & Custom Script Manager has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.