Home - Map Warper

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!

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

Last Rectified Maps

Title	Year	Last Updated	Status
Melbourne and Metropolitan Board of Works, City of Melbourne, Detail Plan No. 1177 1896 Melbourne and Metropolitan Board of Works, City of Melbourne, Detail Plan No. 1177 1896 https://handle.slv.vic.gov.au/10381/120582 View Map \| Rectify Map \| Download KML Links: Source / Biblio Ref	1896	7 minutes ago	7 control points
Melbourne and Metropolitan Board of Works, City of Melbourne, Detail Plans No. 1175 & 1176 1896 Melbourne and Metropolitan Board of Works, City of Melbourne, Detail Plans No. 1175 & 1176 1896. https://handle.slv.vic.gov.au/10381/120585 View Map \| Rectify Map \| Download KML Links: Source / Biblio Ref	1896	14 minutes ago	8 control points
Melbourne and Metropolitan Board of Works, City of Melbourne, Detail Plan No. 1174 1896 Melbourne and Metropolitan Board of Works, City of Melbourne, Detail Plan No. 1174 1896. https://handle.slv.vic.gov.au/10381/120573 View Map \| Rectify Map \| Download KML Links: Source / Biblio Ref	1896	24 minutes ago	4 control points

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Recent Mosaics

Title	Year	Last Updated	Number of Maps	Percentage Complete
HKG Compiled by Wright.one. Download KML		about 1 hour ago	117 maps	100% (117 maps)
1888 Sanborn Fire Insurance Map from Gallatin, Sumner County, Tennessee. 1888 Sanborn Fire Insurance Map from Gallatin, Sumner County, Tennessee. Compiled by Jayden. Download KML	1888	about 2 hours ago	2 maps	100% (2 maps)
Costello Mohawk Trail Western Massachusetts Notes by David L Costello on top of USGS quadrangles of northwestern Massachusetts, outlining the history along the original Mohawk Trail from Deerfield to the MA-VT border north of Williamstown. Published 1975. Compiled by Richard Welty. Download KML	1760	1 day ago	7 maps	100% (7 maps)

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