# Sen2Cor
*processing-chain . standards*

ESA's Sentinel-2 atmospheric correction processor. Converts L1C TOA reflectance to L2A bottom-of-atmosphere surface reflectance.

## Specifications
- **version**: 2.11
- **authority**: esa
- **url**: https://step.esa.int/main/snap-supported-plugins/sen2cor/
- **last verified date**: "2026-05-08T00:00:00.000Z"
- **verified by**: agency-doc
- **claim status**: unclaimed

---
Source: https://eo-atlas.org/standards/sen2cor
Maintainer: SpectraWorks B.V. (CC-BY 4.0)