Newtab Browser Flags

Replaces your new tab page with a launcher that opens the extension's sidebar panel.

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

Create this project

npx extension@latest create my-new-browser-flags --template new-browser-flags
cd my-new-browser-flags
npm install
npm run dev

Permissions it asks for

  • activeTab
  • scripting
  • notifications
  • <all_urls>

Source on GitHubDocumentation

extension.devDocumentation for extension.dev