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I clipped a small scene out of a larger orthophoto and the output file is 3 times as big (7.5 GB) as the original tiff-file (2.5 GB). How to get it small while keeping the original resolutuion?

marked as duplicate by mgri, Andre Silva, nmtoken, John Powell, Ian Turton Apr 4 '17 at 12:27

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You have to apply a compression to the image being created. Using 'Processing > Toolbox > Clip Raster By Extent', under Advanced parameters you can set the compression type. I believe a good one to use is 'Deflate' and that'll reduce the created file size.enter image description here

  • Thanks. Where do I find this function?? – Andreas Apr 4 '17 at 9:22
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    You can find it in the Processing toolbox. Screenshot to clarify – Michel Stuyts Apr 4 '17 at 9:30
  • Thanks! The outcome looks a bit strange (from the colours) and has a black box around. Tried it with another pc and another qgis version with the first tool and here the output tiff is "only" 3.5GB. I will just use this as it seems it is not possible to propper extract a clip with qgis in probriate time.. – Andreas Apr 4 '17 at 11:48

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