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!

Upload Map!

What is it?

It's a free to use, open source map warper / map georectifier, and image georeferencer tool for individuals and small groups. Developed, hosted and maintained by Tim Waters. If you like this project, please consider donating to keep the project going.

Mail me at for more information!


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Last Rectified Maps

Map Title Year Last Updated Status
M1 ph1 west stitch v1 low res
2017 9 months ago 9 control points
M1 ph1 west stitch v1
2017 9 months ago 6 control points
Dji 150ft stitch
2017 11 months ago 11 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Missing 1875 Atlas of Brighton - Hopkins and Co.
1875 Atlas of Brighton - Hopkins and Co. 00m___ Photoshopped / Aligned for Mapjunction by Rory McCarthy on Compiled by Mapjunction. Download KML
1875 11 months ago 2 maps 100%
(2 maps)
1891 ma mrsid west   david rumsey 1891 MA Walker Atlas - David Rumsey
Mosiac of East and West portions Compiled by Mapjunction. Download KML
1891 12 months ago 4 maps 100%
(4 maps)
Missing 1922 MA Walker Atlas
1922 Walker Lithograph & Publishing Co. 00m060 Aligned for Mapjunction by Anastasia Lavrenteva on Compiled by Mapjunction. Links: Source / Biblio Ref Download KML
1922 12 months ago 25 maps 96%
(24 maps)
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