convert tiff file to jpeg

[oyapar]

hi all,
i want to convert a big tiff image (2 gb and 24000*32000 pxl) to jpeg

i used this command ' convet -limit memory 1 -limit map 1 image.tiff image.jpeg '

after a few minutes an memory error occured

how can i convert this image ?

[oyapar]

hi again,
problem is solved

i open tiff image with ptohoshop and save it without layers so image size is decreased (1 gb)

but i dont understands effect layers , is it change quality of image ?