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 3 June there has been about €344 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!

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
Screenshot 2025 07 15 at 17.07.39
2025 18 minutes ago 5 control points
P17054coll13 633 extralarge  1
1601 about 1 hour ago 28 control points
Nacka 1
2025 about 1 hour ago 4 control points
See all maps

Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Rz 1b Rheinzabern Urkatasteraufnahme
Compiled by Zac. Download KML
1842 1 day ago 2 maps 100%
(2 maps)
2719045 1885 Nebraska missouri
Compiled by Todd. Download KML
3 days ago 2 maps 100%
(2 maps)
B maps page 01 image 0001 B map mosaic
Compiled by Faye Wettstein. Download KML
4 days ago 42 maps 100%
(42 maps)
View all Mosaics
Create a new mosaic