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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Last Rectified Maps

Map Title Year Last Updated Status
Biaapa mp2021 plu f3 p36
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 1 minute ago 6 control points
Biaapa mp2021 plu g3 p41
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 14 minutes ago 7 control points
8212e444e2e9a2255881a9aa2f531f97
2026 35 minutes ago 4 control points
See all maps

Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Missing Areia, PB
Compiled by ivo samuel.
10 minutes ago 0 maps 0%
(0 maps)
Biaapa mp2021 plu e3 p30 BIAAPA Master Plan 2021 — Proposed Land Use
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. Compiled by Akshay. Download KML
2009 14 minutes ago 34 maps 62%
(21 maps)
Map1 Old Spanish Trail
Compiled by Mike Bailey. Download KML
about 18 hours ago 19 maps 100%
(19 maps)
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