XKCD Substitutions - COMPLETE is a free Chrome extension developed by connorcmckee. This extension replaces words and phrases in all web pages according to the XKCD Substitutions comics. With the release of version 1.0, it is now 142% more suitable for human consumption.

This extension was created to provide a more intelligent implementation of the XKCD Substitutions. While other extensions exist that implement one or both of these Substitutions, XKCD Substitutions - COMPLETE aims to improve upon them. For example, it will replace "car" with "cat," but it won't replace "cartoon" with "cattoon." With this extension, you can enjoy a more refined and accurate word substitution experience while browsing the web.