18/03/2026
Top Free Satellite Image Sources for GIS & Remote Sensing
If you work with GIS, remote sensing or mapping, these platforms provide FREE satellite imagery for research, analysis and mapping.
1️⃣ USGS – EarthExplorer (Landsat Data)
https://earthexplorer.usgs.gov
2️⃣ Copernicus Data Space (Sentinel Satellites)
https://dataspace.copernicus.eu
3️⃣ NASA Earthdata Search
https://search.earthdata.nasa.gov
4️⃣ Google Earth Engine
https://earthengine.google.com
5️⃣ EOS LandViewer
https://eos.com/landviewer
6️⃣ JAXA G-Portal
https://gportal.jaxa.jp
7️⃣ ISRO Bhuvan Geoportal
https://bhuvan.nrsc.gov.in
8️⃣ China GEO Data Cloud
http://www.gscloud.cn
9️⃣ Maxar Open Data Program
https://www.maxar.com/open-data
🔟 UNOSAT (United Nations Satellite Centre)
https://unosat.org
These datasets are widely used for:
Land Use / Land Cover Mapping
Environmental Monitoring
Disaster & Flood Analysis
Digital Image Processing in QGIS and ArcGIS
