Anti-vax to pro-disease is a free Chrome extension developed by koekkoek.jens. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension aims to change all occurrences of the phrase "anti-vax" to "pro-disease" in order to reflect the potential consequences of opposing vaccination.

With the rise of misinformation and skepticism surrounding vaccines, this extension seeks to highlight the importance of vaccination by altering the language used. By replacing "anti-vax" with "pro-disease," users are reminded of the potential risks and harm that can arise from rejecting vaccinations.

By utilizing this extension, users can gain a different perspective on the topic of vaccines and potentially reconsider their stance. However, it is important to note that this extension does not provide any additional information or resources regarding vaccines, but rather focuses on altering the language used in online content.

Overall, Anti-vax to pro-disease is a unique Chrome extension that aims to spark conversations and promote awareness about the importance of vaccination through the modification of language.