OldMapsOnline

OldMapsOnline is a powerful Chrome extension designed to detect scanned, zoomable maps in various formats on the web pages you visit. It allows users to quickly georeference these maps directly in their browser, providing useful features such as map overlays and a 3D globe view. With access to over half a million maps on the OldMapsOnline platform, users can easily compare newly found maps with an extensive historical map collection. This extension streamlines the process of exploring historical maps, aiding researchers, educators, and map enthusiasts in accessing and analyzing geographical changes over time.