DOI Helper is a free Chrome add-on developed by jkmarucha. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory. With DOI Helper, users can conveniently access scientific papers by appending SciHub buttons to certain webpages.

This add-on enhances the browsing experience for users who frequently search for scientific articles. By simply installing DOI Helper, users gain access to quick links that redirect them to the corresponding Sci-Hub page for a given paper. Currently, this add-on supports only a limited number of journals, but it provides a seamless way to access scientific literature.

DOI Helper is an excellent tool for researchers, students, and anyone interested in accessing scientific papers effortlessly. With its straightforward functionality and easy installation process, this add-on is a valuable asset for those in need of quick access to scientific literature.