gdal_translate
Convert raster data between different formats. tldr-pages
On several platforms
Several platforms
Convert a raster dataset to JPEG format
gdal_translate -of JPEG path/to/input.tif path/to/output.jpegIdentifyAssign a projection to a raster dataset
gdal_translate -a_srs EPSG:4326 path/to/input.tif path/to/output.tifIdentifyReduce the size of a raster dataset to a specific fraction
gdal_translate -outsize 40% 40% path/to/input.tif path/to/output.tifIdentifyConvert a GeoTiff to a Cloud Optimized GeoTiff
gdal_translate path/to/input.tif path/to/output.tif -of COG -co COMPRESS=LZWIdentify