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 15 Oct there has been about €485 donated. We're almost reached the year goal and have passed the halfway mark, thank you! 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!

Tags

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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Year

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Last Rectified Maps

Map Title Year Last Updated Status
Pxl 20251013 161128942
2025 about 2 hours ago 8 control points
Shining
Map
2025 about 4 hours ago 5 control points
Maps sanborn denver 1929 vol1 022
Denver 1929 Sanborn volume 1, sheet 22 (In 1 layer)
1929 about 4 hours ago 3 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Maps sanborn denver 1929 vol1 075 Denver 1929 Sanborn
Compiled by Dennis. Links: Source / Biblio Ref Download KML
1929 about 8 hours ago 73 maps 100%
(73 maps)
Screenshot 2025 09 30 at 3.06.41%e2%80%afpm Goa WLS Zonation Maps
WLS zonation plans from respective management plans sourced from Goa Forest Department Compiled by Arun Ganesh. Links: Source / Biblio Ref Download KML
about 13 hours ago 7 maps 100%
(7 maps)
84243 202209 01 2022 929 HKG
Compiled by Wright.one. Download KML
about 16 hours ago 97 maps 100%
(97 maps)
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