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 (May) there has been about €360 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
Broujerd 25
Broujerd 25
2026 5 minutes ago 4 control points
T1200 044se b 196500
1965 5 minutes ago 4 control points
%e6%ad%a3%e9%9d%a21
shijieditu
2026 17 minutes ago 4 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Screenshot 2026 09 16 001419 Derbyshire Sheet XII.NW Surveyed: 1875, Published: 1882 mosaic
Compiled by Nick Roscoe. Download KML
about 7 hours ago 5 maps 100%
(5 maps)
1 1 pzt obwodnica namys%c5%82owa pw zadanie 1 DW451 Obwodnica Namysłowa
PW Compiled by Fasha4. Download KML
2025 about 12 hours ago 13 maps 100%
(13 maps)
Missing contrade di Ginosa
Compiled by Gianluca Giove.
5 days ago 0 maps 0%
(0 maps)
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