Special Folders Scripts

Shows a small overlay on web pages and a toolbar popup that runs the extension's bundled scripts.

Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: content script, popup, background service worker · Styling: CSS · Level: beginner

Create this project

npx extension@latest create my-special-folders-scripts --template special-folders-scripts
cd my-special-folders-scripts
npm install
npm run dev

What it is for

Scripts shared between a popup and a content script
Standalone script bundles without manifest plumbing
Reference for the scripts/ special folder convention

First steps

Run npm run dev to launch the extension
Open any page for the overlay, then click the toolbar icon for the popup
Add a file under scripts/ and it ships as its own bundle

Permissions it asks for

activeTab
scripting
<all_urls>

Source on GitHub Documentation

extension.dev Documentation for extension.dev