ImageMagick

ImageMagick 7.0.1-5 recently released, is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PNG, Postscript, SVG, and TIFF. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. ImageMagick 7.

<ul style="text-align: justify;"> <li> Format conversion: convert an image from one format to another (e.g. PNG to JPEG). </li> <li> Transform: resize, rotate, crop, flip or trim an image. </li> <li> Transparency: render portions of an image invisible. </li> <li> Draw: add shapes or text to an image. </li> <li> Decorate: add a border or frame to an image. </li> <li> Special effects: blur, sharpen, threshold, or tint an image. </li> <li> Animation: create a GIF animation sequence from a group of images.