AutoInjector

Automatic injection of scripts and CSS into websites

Features

• Scripts and user CSS injection
• Add, edit, and delete scripts using a built-in script's dashboard
• Limiting of injection to specific target URLs or use fuzzy matching with *
• Enabling and disabling of script/user CSS
• Control over script injection parameter injectImmediately
• Simple script editor with:
  • Tab insertion on Tab key press
  • Removal of the last indent on Shift+Tab
  • Auto-indent
• Error collection system
• Errors can be sorted by date, script name, or URL
• Error forwarding with the use of autoInjectorLogError(e) function
• Trusted Types support
• Importing and Exporting
• Duplicate script/CSS detection system

Preview

Roadmap:

• userScripts - for script injection on websites that have strict

Building

Devbox is chosen because it guarantees a consistent development environment.

• Clone the repository and run devbox install - set up the project environment.
• To build the extension dist/ directory run:

  devbox run build

Install

Firefox

The extension is not published on the Firefox Add-ons.

To install download the latest .xpi file from the releases page.

In Firefox, open about:addons -> Install Add‑on From File... and select the downloaded .xpi.

Chromium‑based browsers

The extension is not distributed Chromium‑based browsers.

To install first build the extension.

To install temporarily:

• Open chrome://extensions/
• Enable Developer mode
• Click Load unpacked and choose the dist/ folder

To install permanently:

• Open chrome://extensions/
• Enable Developer mode
• Click Pack extension and choose the dist/ folder
• Drag-and-drop crated .crx file onto the chrome://extensions page

License

This project is licensed under MIT License.