Devtools panel Preact

Adds a devtools panel written in Preact that reads the inspected page.

Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: devtools panel · Styling: CSS · Level: beginner · Framework: preact

Create this project

npx extension@latest create my-devtools-preact --template devtools-preact
cd my-devtools-preact
npm install
npm run dev

Files in this template

  • extension.config.js
  • src/devtools/index.html
  • src/devtools/scripts.ts
  • src/images/icon.png
  • src/images/preact.png
  • src/manifest.json
  • src/panel/PanelApp.tsx
  • src/panel/index.html
  • src/panel/scripts.tsx
  • src/panel/styles.css

extension.devDocumentation for extension.dev