Map Warper

Sign In Create Account


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!

Upload Map!

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!


Search for

OR Browse All Maps

Last Rectified Maps

Map Title Last modified Status
Öregrund, Sweden
about 1 hour ago. 11 control points.
about 4 hours ago. 5 control points.
about 5 hours ago. 5 control points.
See all Maps

Recent Layers

Layer Title Year Number of Maps Percentage Complete
006 TARP
Compiled by Forest. Last modified 4 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 7 days ago. Depicts : Links: Source / Biblio Ref
0 maps 0%
(0 maps)
20090323-hopkins-0018 pcw
Compiled by Molly Tighe. Last modified 14 days ago. Depicts : Links: Source / Biblio Ref
1 map 0%
(0 maps)
View all Layers
Create a new layer