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 at 15 April there has been about €15 donated. 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!

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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
Mapasinregionesrocio
2025 11 minutes ago 10 control points
Epsg7854 date20241122 lat 38.243783 lon142.452018 mpp0.150 vert
2025 about 2 hours ago 10 control points
%d9%a2%d9%a0%d9%a2%d9%a5%d9%a0%d9%a4%d9%a2%d9%a2 %d9%a0%d9%a4%d9%a1%d9%a5%d9%a5%d9%a5
2025 about 3 hours ago 4 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Lm04 0002satw 1 6 Herresta mosaic
Compiled by Krister. Download KML
about 11 hours ago 3 maps 100%
(3 maps)
Tmp 2 2 TMP S7
Plany połączenia Trasy Mostu Polnocnego w Warszawie z drogą S8 Compiled by Yaper. Download KML
about 14 hours ago 10 maps 100%
(10 maps)
84243 202209 01 2022 929 HKG
Compiled by Wright.one. Download KML
1 day ago 64 maps 100%
(64 maps)
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