Upgrade
Merlin
Facebook Unsee

Facebook Unsee

Stops people you talk to from knowing that you've seen their messages on Facebook chat.

Merlin
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": "Facebook Unsee",
  "version": "0.3",
  "description": "Stops people you talk to from knowing that you've seen their messages on Facebook chat.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.facebook.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "manifest_version": 2
}