FocusFilter

A Firefox/Chrome browser extension designed to block unwanted components from YouTube and Instagram.

Features

• Master toggle plus independent key-based feature toggles in the popup
• Hide short video content
• Display website in grayscale for less dopamin
• Custom CSS selector rules with an enable switch and multiline editor

Custom Rules

The popup includes a Custom rules section where you can enter one CSS selector per line and press Update to hide matching elements.

Example to hide the YouTube logo:

ytd-topbar-logo-renderer[id="logo"]

Installation

1. Clone the repository
2. Load the extension in your browser (on Firefox via about:debugging#/runtime/firefox) by adding a temporary Add-on and selecting manifest.json
3. Configure blocking preferences

Contributing

Contributions are welcome. Please submit issues or pull requests with your improvement ideas or bug fixes.