Content Env

Injects a small panel showing the extension's environment values into every web page you visit.

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

Create this project

npx extension@latest create my-content-env --template content-env
cd my-content-env
npm install
npm run dev

Files in this template

  • extension.config.js
  • src/background.ts
  • src/content/scripts.ts
  • src/content/styles.css
  • src/images/icon.png
  • src/manifest.json

Source on GitHubDocumentation

extension.devDocumentation for extension.dev