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!

Tags

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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Year

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Last Rectified Maps

Map Title Year Last Updated Status
20251121 080610
Timber sale map
2025 about 4 hours ago 4 control points
Screenshot 2025 12 02 at 8.24.00%e2%80%afpm
2025 about 6 hours ago 3 control points
Tioga 082652 aqd 6g 197
Tioga prior to flooding
1952 about 7 hours ago 7 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
D02.01 plan sytuacyjny page 0001 DK41 Prudnik
KP Compiled by Fasha4. Download KML
2025 about 9 hours ago 6 maps 100%
(6 maps)
S17 5 01 S17 Sitaniec - Zamość Wsch.
STEŚ-R Compiled by AndyB66. Links: Source / Biblio Ref Download KML
about 19 hours ago 8 maps 100%
(8 maps)
Screenshot 2025 12 02 at 12.32.10%e2%80%afpm Taluk Wise ESZ For Western Ghats ESA
Map designating the entire Western Ghats as an Ecologically Sensitive Area (ESA) and dividing it into three zones (ESZ 1, 2, and 3) with varying levels of sensitivityfor the Western Ghats of India from the Report of the Western Ghats Ecology Expert Panel (WGEEP) Compiled by Arun Ganesh. Links: Source / Biblio Ref Download KML
about 24 hours ago 6 maps 17%
(1 map)
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