Detect Land Changes with Satellite Imagery
Compare cloud-free Sentinel-2 images across any two dates to detect deforestation, urban growth, floods. Free online tool with up to 10 years of history.
📁 AOI Upload
KML / KMZ / GeoJSON
☁ Cloud-Free Scenes
Max cloud≤15%
📅 Date 1 — Before
📅 Date 2 — After
🔍 Detect Changes In
🗺 View Mode
Sentinel-2 L2A · ESA Copernicus · CDSE
4.9(95 ratings)
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Frequently Asked Questions
Q:How does the Land Change Monitor work?
It queries NASA and Copernicus catalogs for cloud-free satellite acquisitions over your area. You select any two dates, and the tool performs a pixel-level comparison to highlight differences.
Q:Can I detect deforestation with this tool?
Yes, by selecting a historical date and a recent date, the change detection mode will highlight areas where vegetation has been removed.
Q:Is there a limit on how far back I can go?
You can access Sentinel-2 data as far back as mid-2015, providing nearly a decade of historical comparison.
Q:Does this tool require an account?
No, all satellite visualization and change detection features are free and accessible without an account.