Drag&drop your images
Find identical points, add coordinates
Overlay, compare, anotate
Download GeoTiff, use desktop GIS via WMTS, embed online
Turn an image into map overlay
Precise geolocations
GIS compatible (WMTS and more)
Web browser is all you need
Advanced features
Compare, Export
Collections of maps
Crowdsourcing with quality assurance
Metadata enrichments for catalogue
Geosearch engine
Promotion via OldMapsOnline.org
Authenticated access
Private batch exports
Analytics for workers
(time tracking for the work, productivity)
Quality Assurance
Collect existing maps with a browser plugin.