unchecker/manifest.json

{

  "description": "Simple extension letting you uncheck all checkboxes on a page.",
  "manifest_version": 2,
  "name": "unchecker",
  "version": "1.0",
  "author": "Ad5001",
  "developer": {
      "name": "Ad5001",
      "url": "https://ad5001.eu"
  },
  "applications": {
      "gecko": {
          "id": "unchecker@ad5001.eu",
          "strict_min_version": "42.0"
      }
  },
  "homepage_url": "https://github.com/Ad5001/unchecker",

  "background": {
    "scripts": ["background.js"]
  },

  "browser_action": {
    "default_icon": "icons/off.svg",
    "browser_style": true
  },

  "permissions": [
    "activeTab",
    "tabs"
  ]

}