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!

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
1614 robert st. n. from 14th st. e. to 12th st. e.
1614
1614 Robert St. N. from 14th St. E. to 12th St. E.
View Map | Rectify Map | Download KML
2022 over 1 year ago 3 control points
P01
P01
View Map | Rectify Map
2022 over 1 year ago 6 control points
2001197c access easement 20190829 002 page 002
380 Randolph - Sewer Easement - Waterford Development
View Map | Rectify Map | Download KML
2024 almost 2 years ago 4 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Stpaul mosaico
un ejemplo de un mosaico Compiled by nikkypo. Download KML 		almost 7 years ago 2 maps 100%
(2 maps)
1 1 1923 Aerials
1923 aerial photos for The City of Saint Paul, Mn Compiled by blammo. Download KML 		1923 almost 7 years ago 8 maps 100%
(8 maps)
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