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 (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

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Last Rectified Maps

Map Title Year Last Updated Status
Plano de barranquilla  departamento del atlantico  colombia  sur america   1 10.000   dibujado por ernest thevenin   btv1b84464524
Plano histórico de Barranquilla utilizado para un ejercicio de georreferenciación en la asignatura Historia Digital de la Universidad del Atlántico.
2026 20 minutes ago 5 control points
Mapa cali
Plano histórico de la ciudad de Cali elaborado por Mario Carvajal en mayo de 1942. Representa el estado de urbanización de la ciudad entre 1882 y 1884 e identifica barrios, vías, quebradas, el río Cali y otros elementos urbanos utilizados para analizar el crecimiento de la ciudad.
2026 about 2 hours ago 5 control points
Edgefield1
ef
2026 about 3 hours ago 5 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
British honduras dos 1975 e755 sheet 03 British Honduras DOS 1975
Compiled by CharliePlett. Download KML
1975 about 6 hours ago 1 map 100%
(1 map)
British honduras dos 1973 e755 sheet 19 British Honduras DOS 1973-1976
Compiled by CharliePlett. Download KML
1975 about 15 hours ago 12 maps 100%
(12 maps)
British honduras dos 1973 e755 sheet 19 British Honduras DOS 1973
Compiled by CharliePlett. Download KML
1973 about 15 hours ago 12 maps 100%
(12 maps)
View all Mosaics
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