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manifest.json

{
  "manifest_version": 3,
  "name": "Do I look like I know what a WEBP is?",
  "description": "Adds \"?format=original\" to the URL of an image, so you wont have to deal with any annoying WEBPs.\nMade for a friend ; P",
  "version": "1.1",
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "256": "icon.png"
  },
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "DILLIKWAWI@silkycell",
      "strict_min_version": "109.0"
    }
  }
}