gdal_translate

Convert raster data between different formats.

TLDR

Convert a raster dataset to JPEG format

$ gdal_translate -of [JPEG] [path/to/input.tif] [path/to/output.jpeg]
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Assign a projection to a raster dataset
$ gdal_translate -a_srs [EPSG:4326] [path/to/input.tif] [path/to/output.tif]
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Reduce the size of a raster dataset to a specific fraction
$ gdal_translate -outsize [40%] [40%] [path/to/input.tif] [path/to/output.tif]
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Convert a GeoTiff to a Cloud Optimized GeoTiff
$ gdal_translate [path/to/input.tif] [path/to/output.tif] -of COG -co COMPRESS=LZW
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