Calibrate

Chrome extension that hides numbers on web pages so you have an opportunity to guess them
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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Calibrate",
  "description": "Chrome extension that hides numbers on web pages so you have an opportunity to guess them",
  "version": "0.1.2",
  "manifest_version": 3,
  "background": {
    "service_worker": "src/js/background.js"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "action": {
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "/logos/logo16.png",
      "32": "/logos/logo32.png",
      "48": "/logos/logo48.png",
      "128": "/logos/logo128.png"
    }
  },
  "icons": {
    "16": "/logos/logo16.png",
    "32": "/logos/logo32.png",
    "48": "/logos/logo48.png",
    "128": "/logos/logo128.png"
  }
}