ImageMagick
ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
Alchemy lets you convert and merge images with ease through an intuitive, drag and drop interface. On Mac, it's easily accessed through the Mac menubar.
Alchemy lets you convert and merge images with ease through an intuitive, drag and drop interface. On Mac, it's easily accessed through the Mac menubar.
Batch conversion Batch processing
batch-conversion batch-processing image-converter