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!

Support Mapwarper.net

This server costs about €600 per year. Your donations help to keep it running.

So far for 2026 (Nov) there has been about €512 donated.
In 2025 you donated 80% of the server costs, many thanks!
Please Donate via Paypal

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

3D time enabled historical streetscapes re.city Kartta Labs with Google Research
Kartta Labs and re.city was a really cool Google Research project that I was involved in a few years ago. It enabled users to view, interact and contribute to historical... read more

Mapwarper.net emails improved
The Mapwarper.net server should be sending emails with the correct internals set up so they are less likely to end up in your spam inboxes now! For many weeks users... read more

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

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Year

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Last Rectified Maps

Map Title Year Last Updated Status
El chico 1953
Mapa del instituto Geografico de Colombia"Agustin Codazzi". Se titula: Bogotá y sus alrededores del año 1953. Se encuentra a una escala de 1:25.000
2026 1 minute ago Unrectified
El chico 1958
Elaborado por el Instituto Geográfico de Colombia "Agustín Codazzi" Registro 16-33-4-003 39 BOGOTA, D.E
2026 13 minutes ago 4 control points
Plano de la ciudad de mexico se
(In 1 layer)
1929 34 minutes ago 3 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Plano de la ciudad de mexico nw Plan de la Ciudad de Mexico 1929
Compiled by CharliePlett. Download KML
1929 33 minutes ago 4 maps 100%
(4 maps)
Maps sanborn denver 1929 vol1 075 Denver 1929 Sanborn
Compiled by Dennis. Links: Source / Biblio Ref Download KML
1929 about 1 hour ago 224 maps 100%
(224 maps)
D 1.01 dk46 ps 420 x 1690 DK46 Niemodlin - Opole (KP)
KP Compiled by Fasha4. Download KML
2024 about 20 hours ago 11 maps 100%
(11 maps)
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