gm convert -density 150 -compress JPEG- Default
-densityis 72. If the image quality is too bad, consider increasing it. -compress JPEGenables compression.- (Optional)
-quality 92can improve image quality. The default is 75.
gm convert -density 150 -compress JPEG-density is 72. If the image quality is too bad, consider increasing it.-compress JPEG enables compression.-quality 92 can improve image quality. The default is 75.