certificate Maker Free

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "certificate Maker Free",
  "version": "1.0",
  "manifest_version": 2,
  "description": "certificate Maker Free",
  "app": {
    "urls": [
      "http://tech-tops.com/cert"
    ],
    "launch": {
      "web_url": "http://tech-tops.com/cert"
    }
  },
  "icons": {
    "128": "icon.png"
  }
}