SATVeg - Temporal Analysis System of Vegetation - is a Web tool developed by Embrapa Agricultura Digital to facilitate access and visualization of temporal profiles of NDVI and EVI vegetative indices anywhere in South America. With regular updates, according to the availability of MODIS images by LP-DAAC/EOS-NASA, SATVeg provides the user with a Google Maps interface for the selection of areas of interest, tools for filtering time series, modules to load vector files, among other functions.