Jul 14 2010
Imagemagick
Imagemagick is possibly the best & most powerful tool for handling large amounts of images.
http://www.imagemagick.org/
Imagemagick
I use it quite often when I need to compress hundreds of images and make thumbnails for them. Type the command needed, push enter and go make yourself a nice cup of coffee while your computer is doing the work for you.
For example the following command would resize all .jpg images in a directory to 640×480, with quality setting 86 (you can choose between 0 and 100) and strip EXIF data from them to make files even smaller:
Code:
find . -iname "*.jpg" -exec convert -resize 640x480 -quality 86 -strip {};
Other line commands:
animate
animate an image sequence on any X server.
mathematically and visually annotate the difference between an image and its reconstruction.
overlap one image over another.
interpret and execute scripts written in the Magick Scripting Language (MSL).
convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
display an image or image sequence on any X server.
describe the format and characteristics of one or more image files.
save any visible window on an X server and outputs it as an image file. You can capture a single window, the entire screen, or any rectangular portion of the screen.
resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more. Mogrify overwrites the original image file, whereas, convert writes to a different image file.
create a composite image by combining several separate images. The images are tiled on the composite image optionally adorned with a border, frame, image name, and more.
a lightweight tool to stream one or more pixel components of the image or portion of the image to your choice of storage formats. It writes the pixel components as they are read from the input image a row at a time making stream desirable when working with large images or when you require raw pixel components.
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