Edit Hidden Fields

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Edit Hidden Fields",
  "short_name": "Edit hidden",
  "description": "Turns every hidden-field on every website into a simple input text-field for editing. Press Ctrl+Shift+S on the website.",
  "version": "0.7",
  "browser_action": {
    "default_icon": "images/icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "https://ajax.googleapis.com/"
  ],
  "content_scripts": [
    {
      "js": [
        "contentscript.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ]
}