Map Warper

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Find maps and other imagery, upload, and rectify against a real map.

You can then download and use the rectified map in your mapping applications.

Just sign up and you can start uploading and get warping!

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What is it?

It's a free to use, open source map warper / map georectifier, and image georeferencer tool. Developed, hosted and maintained by Tim Waters. This project is supported by Topomancy LLC and the New York Public Library.

Mail me at for more information!


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Last Rectified Maps

Map Title Last modified Status
about 3 hours ago. 3 control points.
about 4 hours ago. 3 control points.
aerial image of the area of Amatrice in Italy, after the earthquake
about 5 hours ago. 118 control points.
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Recent Layers

Layer Title Year Number of Maps Percentage Complete
Missing phoenix
Compiled by rodger. Last modified about 21 hours ago. Depicts : Links: Source / Biblio Ref
0 maps 0%
(0 maps)
Missing Zwicky Süd
Compiled by freaktechnik. Last modified 2 days ago. Depicts : 2016 Links: Source / Biblio Ref
2016 0 maps 0%
(0 maps)
Private 1830 Burlington Vermont
Plan of Burlington Village Drawn by A.B. Young 1830 Courtesy of: Special Collections, University of Vermont Libraries Compiled by Sbeckett. Last modified 3 days ago. Depicts : 1830 Links: Source / Biblio Ref Download KML
1830 4 maps 100%
(4 maps)
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