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 2025 as of 19 Nov there has been about €496 donated. We're almost reached the year goal and have passed the halfway mark, thank you! 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

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

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

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Last Rectified Maps

Map Title Year Last Updated Status
Ko%cc%88ln 1830
1830 less than a minute ago 11 control points
Plan comunal para la reducci%c3%b3n de riesgo de desastres   maip%c3%ba 2024 2029 21
fddsfddf
2026 about 1 hour ago 4 control points
Arlington 1860 property map
Black and white, line drawn map showing property lines and transportation routes. Taped to the surface are six small annotations related to transportation routes. Includes image of Arlington Historical Society logo circa 1990s. Statement of Significance: This map details the property owners and property boundaries of present-day Arlington County in the 1860s. The project was begun in the 1990s, and this draft map was produced. It appears that no finalized version was produced. Please use this map as a reference only, as Arlington Historical Society cannot currently verify its accuracy. High resolution version of this map is available on request.
about 1 hour ago 5 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
0143 pzt d 02.10 841x2370 S10 Bydgoszcz - Toruń
Projekt Budowlany / Raport Środowiskowy Compiled by AndyB66. Download KML
2024 about 1 hour ago 82 maps 100%
(82 maps)
Nypl.digitalcollections.510d47e2 554c a3d9 e040 e00a18064a99.001.g New York City, borough of Manhattan, Bromley 1902
Compiled by Vahan. Download KML
1902 about 11 hours ago 99 maps 100%
(99 maps)
Nag%c5%82owice prz%c4%99s%c5%82aw DK78 świętokrzyskie
Compiled by krzys. Download KML
1 day ago 2 maps 100%
(2 maps)
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