manifest_example.json

{
  // Required
  "manifest_version": 2,
  "name": "My Extension",
  "version": "1.0.0",

  // Recommended
  "default_locale": "en",
  "description": "A plain text description",
  "icons": { "16": "icon16.png",
             "48": "icon48.png",
             "128": "icon128.png"
            },
  // Pick one (or none)
  "browser_action": {...},
  "page_action": {...},

  // Optional
  "author": ...,
  "automation": ...,
  "background": {
    // Recommended
    "persistent": false
  },
  "background_page": ...,

}