Omicron is a free browser extension developed by thirdblood. Belonging to the Browsers category under Add-ons & Tools, this Chrome extension serves a unique purpose. It addresses the common confusion between the Covid19-Variant Omicron and the global advertising holding company Omnicom. The tool automatically adds "not Omnicom" to every mention of "Omicron" on web pages, aiding in clear differentiation.

Created by Till B., Omicron extension aims to provide users with a seamless browsing experience by preventing mix-ups between the two similar-sounding terms. This simple yet effective tool can save users time and effort in distinguishing between these easily confused names.