Progressive JPEG images are saved as progressive.Option -optimize is slower, the encoder makes an extra pass over the image in order to select optimal encoder settings.For additional reductions in size try -optimize and -eraseexif options. Resize and rotate are lossy operations.Run imgp -convert (*.png) separately to convert those. PNG files with lower target hres/vres are not converted (even if -convert is used).Doing so may lead to potential race conditions when -overwrite option is used. By default _IMGP files are not processed. Output image names are appended with _IMGP if -overwrite option is not used.If PATH is omitted, the current directory is processed. Multiple files and directories can be specified as source.s byte, -size byte minimum size to process an image r, -recurse process non-symbolic dirs recursively q N, -quality N quality factor (N=1-95, JPEG only) P, -progressive save JPEG images as progressive O, -optimize optimize the output images N, -nearest use nearest neighbour interpolation for PNG M res, -minres res min resolution in HxV or percentage of -res to resize k, -keep skip (honors -c or -pr) images matching specified f, -force force to exact specified resolution a, -adapt adapt to resolution by orientation o deg, -rotate deg rotate clockwise by angle (in degrees) x res, -res res output resolution in HxV or percentage h, -help show this help message and exit Nautilus Image Converter calls the convert utility from ImageMagick. 4.5GB in size) of mixed resolutions (high to regular) stored in a USB 2.0 external hard disk at an adaptive resolution of 1366x1000 in around 8 minutes. Windows VueScan BatchPhoto Free to try Convert, resize, rename, and edit. In adaptive mode, output image resolution will be 1366x910 Windows FotoSketcher VueScan Free to try Get the most out of your scanner by improving its productivity and quality.In regular mode (default), output image resolution will be 1152x768.Same as non-adaptive.įor example, if an image has a resolution of 2048x1365 and is being resized to 1366x768: If the specified and image orientations are same, the image is resized with the shorter specified side as reference.adaptive resize considering orientation.File manager nnn provides a script to batch resize images with imgp. On desktop environments (like Xfce or LxQt) which do not integrate Nautilus, imgp will save your day. Imgp intends to be a stronger replacement of the Nautilus Image Converter extension, not tied to any file manager and way faster. Powered by multiprocessing, SIMD parallelism (thanks to the Pillow-SIMD library), an intelligent adaptive algorithm, recursive operations, shell completion scripts, EXIF preservation (and more), imgp is a very flexible utility with well-documented easy to use options. It can resize (or thumbnail) and rotate thousands of images in a go, at lightning speed, while saving significantly on storage. Imgp is a command line image resizer and rotator for JPEG and PNG images. Watch imgp resize a directory of images in lightning speed!
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