SIP Calculator

Calculate SIP directly from Chrome browser
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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "SIP Calculator",
  "description": "Calculate SIP directly from Chrome browser",
  "version": "1.3",
  "icons": {
    "128": "images/icon_128.png"
  },
  "action": {
    "default_icon": "images/icon_128.png",
    "default_popup": "popup.html"
  }
}