Sen2Cor is a processor for Sentinel-2 Level 2A product generation and formatting; it performs the atmospheric-, terrain- and cirrus correction of Top-Of-Atmosphere Level 1C input data. Sen2Cor creates Bottom-Of-Atmosphere, optionally terrain- and cirrus corrected reflectance images; and additionally, Aerosol Optical Thickness-, Water Vapor-, Scene Classification Map and Quality Indicators for cloud and snow probabilities. Its output product format is equivalent to the Level 1C User Product: JPEG 2000 images, with three different resolutions, 60, 20 and 10 m.

Sen2Cor installation packages are provided as standalone installers.

Sen2Cor_v2.12 is the latest release of Sen2Cor supporting Sentinel-2 L1C data generated with the current (15.0) Products Specification Document, as input, which was deployed on 23 July 2024. Please refer to the following news published on 18 July 2024.