Grayscale Tool

Press shift+g (or create your own key shortcut) to (de)activate grayscaling of a web page.

Upgrade to view and diff full source code

Additional files are visible only to premium users

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Grayscale Tool",
  "version": "2.0",
  "manifest_version": 2,
  "description": "Press shift+g (or create your own key shortcut) to (de)activate grayscaling of a web page.",
  "options_page": "options.html",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>",
        "file:///*"
      ],
      "js": [
        "grayscale.js"
      ],
      "run_at": "document_end"
    }
  ]
}