Map Warper

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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!

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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
84301 202210 06 2024 1132
(In 1 layer)
2024 about 1 hour ago 4 control points
84204 202409 03 2024 1153
(In 1 layer)
2024 about 2 hours ago 4 control points
Master gmd gmd385 g3850 g3850 la002276
compiled under the direction of Major G.J. Lydecker, 1884 USCGS 1879-1884, Engineer Department US Army 1861-1865, Boschke’s map of the District of Columbia 1861, Carpenter’s Assessment, 1882. Scale 4 inches to one mile 1:15,840
1884 about 3 hours ago 5 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
83107 201901 01 2020 1495 HKG
Compiled by Wright.one. Download KML
about 1 hour ago 71 maps 100%
(71 maps)
Siolim marna Regional Plan for Goa (RPG 2021)
Regional Plan for Goa 2021 Source: TCP Goa https://tcp.goa.gov.in/land-use-plan-regional-plan-for-goa-2021/ Compiled by Arun Ganesh. Links: Source / Biblio Ref Download KML
2021 1 day ago 19 maps 100%
(19 maps)
Private Bogotá_1956
Compiled by Cartografía de Bogotá. Download KML
1 day ago 149 maps 100%
(149 maps)
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