A raster(.tif) of 6.70GB needs to be converted into polygons. The raster is binary (0 & 1), currently I am using Polygonize (raster to vector) and its taking a considerable amount of time and the process is stuck again on 90%. Extent -74244.9795000000012806,3891970.0844999998807907 : 1167923.9135000000242144,4874856.8579000001773238 Width 47702 Height 37745 Data type Float32 - Thirty two bit floating point GDAL Driver Description GTiff GDAL Driver Metadata GeoTIFF Dataset Description G:/Joost/selection/used in analysis/output_run2.tif Compression Band 1 STATISTICS_APPROXIMATE=YES STATISTICS_MAXIMUM=1 STATISTICS_MEAN=0.2984387140037 STATISTICS_MINIMUM=0 STATISTICS_STDDEV=0.45757299744142 STATISTICS_VALID_PERCENT=40.02 More information AREA_OR_POINT=Area Dimensions X: 47702 Y: 37745 Bands: 1 Origin -74245,4.87486e+06 Pixel Size 26.04018475116347275,-26.04018475029806012