PwGen

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "__MSG_mfName__",
  "version": "1.0.2.1",
  "default_locale": "en",
  "description": "__MSG_mfDescription__",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "19": "images/icon19.png",
      "38": "images/icon38.png"
    },
    "default_popup": "popup.html",
    "default_title": "__MSG_mfPopupTitle__"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "offline_enabled": true
}