Old Wiki is a Chrome add-on developed by adlerzei that changes the user interface of Wikipedia to the beautiful old vector layout. This add-on applies the old vector layout to Wikipedia pages by adding "?useskin=vector" to the end of each HTTP request. Furthermore, it also extends this layout to other international Wikimedia pages.

With the Old Wiki add-on, users can enjoy the nostalgic and visually pleasing design of the old vector layout while browsing Wikipedia. The add-on seamlessly integrates into the Chrome browser, making it easy to activate and deactivate whenever desired.

By bringing back the old vector layout, Old Wiki provides users with a unique and refreshing browsing experience. Whether you're a fan of the classic design or simply looking for a change from the current interface, Old Wiki is a great Chrome add-on to enhance your Wikipedia browsing.

Give Old Wiki a try today and enjoy the beauty of the old vector layout on Wikipedia and international Wikimedia pages.