Map Warper

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Sorry! The server has no disk space left, so you'll probably experience some trouble logging in or uploading. I'm also on vacation at the moment but will fix everything when I return. - Tim Okay


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!

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 for more information!


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 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

What’s coming to – new stuff! is getting an upgrade of code early this first week in April. New things: Keyboard shortcuts New JSON-API and docs Map caching for faster maps Bigger map windows Upgraded... read more

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Last Rectified Maps

Map Title Year Last Updated Status
2019 about 1 hour ago 5 control points
467 467 karta rosto
Старая топографическая карта
about 2 hours ago 3 control points
Map 11
2019 about 3 hours ago 12 control points
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Recent Mosaics

Mosaic Title Year Last Updated Number of Maps Percentage Complete
Harita 1 kucuk Istanbul mozaik
Compiled by Fatma Aladag. Links: Source / Biblio Ref Download KML
about 15 hours ago 3 maps 100%
(3 maps)
Intmap2 INT-mosaic
Compiled by cbacino. Download KML
3 days ago 2 maps 100%
(2 maps)
Lp005506 page 001 Sections 117A & 117B Parish of Nunawading, County of Bourke, Victoria, Australia
Compiled by Anne Jones. Download KML
6 days ago 2 maps 100%
(2 maps)
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