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 (Feb) there has been about €156 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

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

Search for
Year

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Last Rectified Maps

Map Title Year Last Updated Status
%d0%97%d0%bd%d1%96%d0%bc%d0%be%d0%ba %d0%b5%d0%ba%d1%80%d0%b0%d0%bd%d0%b0 2026 02 26 223051
Volhynia Guberniya existed from 1797 to 1917. It was one of the occupied parts of Ukraine by Russia
2026 5 minutes ago 33 control points
Map prv9 dis
Volhynia Guberniya District Boundaries
33 minutes ago 24 control points
26 27
One of topographic quadrangles of European Imperial Russia later - European USSR Most of these quadrangles were originally produced during the late Imperial period pre-1917 but were reissued later by Soviet topographic mapping agencies including this?
1927 34 minutes ago 6 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Screenshot 26 2 2026 112543 rockvillemd.maps.arcgis.com Rockville Annexations
Compiled by Nick Mole. Download KML
about 4 hours ago 2 maps 100%
(2 maps)
2 red Рига 65 mosaic
Compiled by Ikko. Download KML
about 6 hours ago 4 maps 100%
(4 maps)
83106 202401 02 2024 131 HKG
Compiled by Wright.one. Download KML
about 12 hours ago 101 maps 100%
(101 maps)
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