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

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

What’s coming to Mapwarper.net – new stuff!
Mapwarper.net is getting an upgrade of code early this first week in April. New things: Keyboard shortcuts New JSON-API and docs Map caching for faster maps Bigger map windows Upgraded... read more

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Last Rectified Maps

Map Title Year Last Updated Status
2015 service areas
2025 about 1 hour ago 4 control points
Burmathailandrinh
2025 about 1 hour ago 5 control points
Nla.obj 570469268
2023 about 1 hour ago 5 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
1zc3760090471 upstate NY, 1952 Aerial
imagery from a 1952 Aerial Imagery Pass from USGS earth explorer Compiled by Richard Welty. Download KML
1952 about 3 hours ago 147 maps 100%
(147 maps)
Missing 新吉原地図 寛政7年(1795年)版
Compiled by 橋本 純生. Links: Source / Biblio Ref
about 6 hours ago 0 maps 0%
(0 maps)
Priedas nr.4   eismo juostu skaiciaus koncepsija kelyje a1 1 LT-A1_93,50-99,29_koncepcija
Compiled by Kirstukas. Download KML
1 day ago 2 maps 100%
(2 maps)
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