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 3 June there has been about €344 donated. 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!

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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
41321 202501 04 2025 447
(In 1 layer)
2025 about 1 hour ago 4 control points
84224 202503 16 2025 291
(In 1 layer)
2025 about 2 hours ago 4 control points
84211 202503 07 2025 477
(In 1 layer)
2025 about 2 hours ago 4 control points
See all maps

Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
84243 202209 01 2022 929 HKG
Compiled by Wright.one. Download KML
about 1 hour ago 64 maps 100%
(64 maps)
Sams VRA Rogaines
Compiled by atlasb. Download KML
about 9 hours ago 2 maps 100%
(2 maps)
Whatsapp image 2025 06 21 at 19.31.14 teste
Compiled by ALESSANDRO. Download KML
about 15 hours ago 4 maps 50%
(2 maps)
View all Mosaics
Create a new mosaic