Map Warper

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Update Nov 2021: Ran out of disk space, again. Downtime will happen again. Please try to delete your maps (edit tab) after you are done with them for other users.

Overview

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 tim@geothings.net for more information!

News

Internationalization (i18n) and Translations for Mapwarper. (English, Dutch, Japanese)
Many thanks to Ellen Gehring of Erfgoed Leiden en Omstreken for the Dutch translations. Ellen with the ELO wanted their own warper and because of this, support for locales, internationalisation and... read more

New shortcuts and add layer features in mapwarper.net
Mapwarper.net has been updated with several months of the latest code. Some of these features are directed towards the rectify map interface with the addition of keyboard shortcuts and the... read more

What’s coming to Mapwarper.net – new stuff!
Mapwarper.net is getting an upgrade of code early this first week in April. New things: Keyboard shortcuts New JSON-API and docs Map caching for faster maps Bigger map windows Upgraded... read more

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Last Rectified Maps

Map Title Year Last Updated Status
C6b4
2022 2 minutes ago Unrectified
Irm geologic map
2022 17 minutes ago 4 control points
Whistler 1
25 minutes ago 6 control points
See all maps

Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
1zc3760090471 upstate NY, 1952 Aerial
imagery from a 1952 Aerial Imagery Pass from USGS earth explorer Compiled by Richard Welty. Download KML
1952 about 21 hours ago 134 maps 100%
(134 maps)
Middlesexctn1868 CT 1893
CT County Maps Compiled by AlanL. Download KML
1893 1 day ago 3 maps 100%
(3 maps)
Ut bingham canyon 248100 1952 24000 geo Bingham Topos
1952 Topo maps of the Bingham Utah area Compiled by bplewe. Links: Source / Biblio Ref Download KML
1952 1 day ago 2 maps 100%
(2 maps)
View all Mosaics
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