OldWikiStyle is a free Chrome add-on developed by doma_itachi that allows users to revert Wikipedia's new layout back to the old layout. With just a few clicks, users can enjoy the familiar interface they are accustomed to.

This add-on is perfect for those who prefer the old Wikipedia layout and find it more user-friendly. It eliminates the need to navigate through the new interface and brings back the simplicity and familiarity of the old design.

One of the key features of OldWikiStyle is its ability to automatically add "?useskin=vector" to Wikipedia URLs. This ensures that every time you visit a Wikipedia page, it will automatically load with the old layout, saving you time and effort.

Overall, OldWikiStyle is a handy Chrome add-on for users who prefer the old Wikipedia layout. It provides a simple and efficient way to revert to the old design and eliminates the hassle of navigating through the new interface.