Thread: Tool to resize,compress file size from 100kb to 50 kb.
hi, resize series of files (jpg images) half of size in terms of quality , file size - not in terms of scale. on google search have found imagemagick tool, seems resize pictures in terms of scale. need resize them, because save them pdf file using gscan2pdf package. when feed tool 114 jpg picutres, ( file size of 100kb each) pdf of 160 mb, far much. can ? suggestion might useful. thank ! claus what tool did use? imagemagick's convert tool can resample change compression quality of images. able tone down 300dpi 2.8mb a4-sized scanned document 54.2kb using 50% quality @ 96dpi, without changing physical dimensions. code: convert input-file.jpg -quality 50% -resample 96x96 output-file.jpg you can, of course, change dimensions of picture using same tool. code: man convert for more information. or search on web. there tons of detailed explanations on how use tool. ...