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 2026 (Nov) there has been about €512 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

3D time enabled historical streetscapes re.city Kartta Labs with Google Research
Kartta Labs and re.city was a really cool Google Research project that I was involved in a few years ago. It enabled users to view, interact and contribute to historical... read more

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

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Year

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Last Rectified Maps

Map Title Year Last Updated Status
S19 d k pab 10a
S19 Domaradz - Iskrzynia (In 1 layer)
2025 13 minutes ago 5 control points
Biaapa mp2021 plu e5 p32
Proposed Land Use composite map from the Master Plan 2021, prepared by BIAAPA for the Bangalore International Airport Planning Area. 34 grid sheets at 1:10,000, drawn January 2009. (In 1 layer)
2009 26 minutes ago 9 control points
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A map of the Cape Colony showing native reserves, locations, mission stations and districts, native reserves, locations and districts under the influence of the Glen Grey Act, with district boundaries, rivers, railways, towns and villages. Some colour. Scale 1 inch to 2 1/2 miles.
1905 27 minutes ago 7 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
S19 d k pab 01 S19 Domaradz - Iskrzynia
Projekt Architektoniczno-Budowlany Compiled by AndyB66. Download KML
2025 12 minutes ago 12 maps 100%
(12 maps)
Master gmd gmd396m g3964m g3964nm g3964nm g08356191401 08356 01 1914 0001 1914 Vol 1 of Sanborn Fire Insurance Map from Nashville, Davidson County, Tennessee
1914 Vol 1 of Sanborn Fire Insurance Map from Nashville, Davidson County, Tennessee Compiled by Jayden. Download KML
about 1 hour ago 42 maps 83%
(35 maps)
1879   plano parcelario iii Plano Parcelario de Ibañez de Ibero
Compiled by Alvaro. Download KML
1879 about 1 hour ago 3 maps 100%
(3 maps)
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