Melanto Calculator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Melanto Calculator",
  "description": "One different scientific calculator...",
  "short_name": "Calculator",
  "version": "4.0",
  "homepage_url": "https://melanto.com/calculator-info.html",
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": "19.png",
    "default_title": "Melanto Calculator"
  },
  "background": {
    "scripts": [
      "install.js"
    ],
    "persistent": false
  },
  "icons": {
    "19": "19.png",
    "128": "128.png"
  },
  "manifest_version": 2,
  "offline_enabled": true,
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+C",
        "windows": "Alt+C",
        "mac": "Alt+C",
        "chromeos": "Alt+C",
        "linux": "Alt+C"
      }
    }
  },
  "permissions": [
    "clipboardRead",
    "clipboardWrite"
  ],
  "options_page": "options_page/index.html"
}