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
A map of the city of Berkeley, CA and surrounding areas published in 1914. Shows locations of schools, fire boxes, transit stations, and transit lines. Scanned from the UC Berkeley Library.
31 minutes ago. 8 control points.
about 1 hour ago. 12 control points.
Signatur Kt H 38, PPN611211602_1, Jahr 1835, Maßstab 1:6.100, Größe 56 x 41 cm, CC-BY 4.0 by Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky
about 1 hour ago. Unrectified.
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Recent Layers

Layer Title Year Number of Maps Percentage Complete
006 TARP
Compiled by Forest. Last modified 5 days ago. Depicts : Links: Source / Biblio Ref Download KML
18 maps 100%
(18 maps)
Missing Barcelona Airport T1 floor 0
Compiled by oscarfonts. Last modified 8 days ago. Depicts : Links: Source / Biblio Ref
0 maps 0%
(0 maps)
20090323-hopkins-0018 pcw
Compiled by Molly Tighe. Last modified 15 days ago. Depicts : Links: Source / Biblio Ref
1 map 0%
(0 maps)
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