LOK quac quac is a free Chrome add-on developed by nguyenhoangphong94. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This add-on allows users to replace certain words on web pages with the phrase "quạc quạc".

With LOK quac quac, users can easily change words like "hot girl", "hot boy", "soái ca", "án mạng", "lộ hàng", "hiếp dâm", "yêu râu xanh", "sát hại", "cướp", "truy sát", "giao cấu", and "hạ sát" to "quạc quạc". This can be useful for users who want to avoid explicit or sensitive content while browsing the internet.

The add-on is available on the Chrome platform and can be installed for free. It provides a simple and straightforward way to replace specific words on web pages, offering a more personalized browsing experience for users.