Reducing Sentinel 2 data size


I want to know if there if there is a way of reducing the sentinel 2 data size. After radiometrically calibrating the dataset, it is 37 GB big making further processing very slow if not impossible. How can i compress the data without having to subset it using ENVI or SNAP?


Scientific data hub API provides the ability to download specific tiles of the scene.
I recently created a small utility package (RSUtils) to automate this process.
Training materials presented at
Description training materials:
It is available at
The invocation chain of programs for processing of tiles:

s2_utm_tile_finder -> s2a_tile_downloader -> opj_decompress (from OpenJPEG package) -> s2_set_projection -> [optional: check_reflectance]

Best regards,


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