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Part of the Grassroots Mapping Curriculum series.

MapKnitter is a free and open source tool for combining aerial images into a map, or composite image. Informally, we call this "stitching a map" and it's useful if you have many images of overlapping or identical areas, and getting either a web map or a printable map from your photos.

MapKnitter can make maps from any image source, but it was designed for making maps with aerial photos from balloons and kites.

Start using or read on for more documentation!


Once you're map is complete, you can download it as a single image in JPG and other formats. Learn about exporting maps in MapKnitter here.


Activities should include a materials list, costs and a step-by-step guide to construction with photos. Learn what makes a good activity here.


Title Author Updated Likes Comments
mapknitter, downloading, exporting @pataxte almost 4 years ago 2
How to save and return to a map, and uploaded images in Mapknitter @pataxte about 4 years ago 3
MapKnitter map of Garbage Hot spots @silentsairam over 4 years ago 1
Can geotagged aerial images be automatically placed in the right location on the map according to their coordinates? @se18023 over 4 years ago 6
Mini video recorder @Ag8n about 5 years ago 4
Geotiff error when trying to export @Zemans over 5 years ago 9
How to choose the order of pictures when exporting @adyr_construction over 5 years ago 4
How do i overlay a north to south aerial image on a digital map? @yuvalsh over 5 years ago 4
Is there an offline version of Mapknitter? @stevie about 6 years ago 1
Problem with rotating the image @narendradesilva about 6 years ago 3
User Interface on Mac @mlapey over 6 years ago 2
please help! @ROCKETMAN over 6 years ago 1
how do i get my old map @jgee7 over 6 years ago 0