infotxt is a tool that notifies you if a security.txt file exists for the site you are visiting and pulls the information down to let you know the website you are browsing is vulnerable. It is also a tool that will aid in responsible disclosure and will make it easier for you to contact the security departments for the sites you are browsing.

It is a powerful extension that works as expected and does not leak any personal information. It is an easy tool to use to put you at ease every time you browse the internet.