Examine source code of Image Resize Bulk

{
  "name": "Image Resize Bulk",
  "description": "Easily and quickly resize images.",
  "version": "1.2",
  "icons": {
    "16": "images/16x16.png",
    "48": "images/48x48.png",
    "128": "images/128x128.png"
  },
  "browser_action": {
    "default_title": "Image Resize Bulk"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "homepage_url": "https://image-resize-bulk.vercel.app/",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{37bb36bc-486c-4ea2-a473-30c3ebc41c83}"
    }
  }
}