Graphic Converter!

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. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you can freely use, copy, modify, and distribute. Its license is compatible with the GPL. It runs on all major operating systems. The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite programming language. Choose from these interfaces: MagickCore (C), MagickWand (C), ChMagick (Ch), Magick++ (C++), JMagick (Java), L-Magick (Lisp), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images automagically and dynamically. »

XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.It supports more than 400 file formats (jpeg, tiff, png, gif, camera raw, jpeg2000, WebP, OpenEXR, ...).You can resize, add a watermark, change contrast, brightness or gamma, apply filters and many other things.

Phatch = Photo & Batch! Phatch is a simple to use cross-platform GUI Photo Batch Processor which handles all popular image formats and can duplicate (sub)folder hierarchies. Phatch can batch resize, rotate, rename, ... and more in minutes instead of hours or days if you do it manually. Phatch will also support a console version in the future to batch photos on web servers.

Image Tuner is a free software for batch resizing, converting, watermarking and renaming your digital photos and images from more than 20 image formats to JPEG, BMP, PNG, TIFF and GIF formats. The program will help you to prepare your digital photos to upload and publish them in the Internet or send via e-mail.

Converseen is an open source batch image resizer and conversion tool written in C++ with the powerful Qt4 libraries.

Imaging is a Collection of Image Related Tools (Image Viewer, Image Converter, Image Resizer, Image Optimizer, etc).

GraphicsMagick is the swiss army knife of image processing. Comprised of 282K physical lines (according to David A. Wheelers SLOCCount) of source code in the base package (or 952K including 3rd party libraries) it provides a robust and efficient collection of tools and libraries which support reading, writing, and manipulating an image in over 88 major formats including important formats like DPX, GIF, JPEG, JPEG-2000, PNG, PDF, PNM, and TIFF.

Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.

Stellar Image Converter for Mac is a one stop solution to convert JPEG, JPG, BMP, PNG, GIF, TIFF etc. To JPEG, JP2, BMP, PSD etc. This converter utility supports 34 important image formats & converts them to best known 14 formats. It converts an Image having size up-to 500KB to another format for free. For size larger than 500kb, user need to register the software.

Photo Batch will help you process all your images at once. No more repetitive work, simply drag the images or the folders you wish to process into Photo Batch, then apply the desired effects, crop, rotate, resize and rename them all and finally export them.

Free Kigo Image Converter, Convert, resize and edit all images or photos with just a few clicks, and it also supports add watermark to images and make thumbnails.

An image converter batch-processing multiple files. JPEG lossless transformations are implemented.Options are shrink, rotation, correction, output file name setting, etc.

ReaConverter is time-saving batch image converter software that supports more than 400 source formats and over 60 output formats.

Total Image Converter converts images to other formats, crops, resizes and rotates them. Convert large TIFFs into small JPEGs, make photos suitable for the web or recover old photos in unsupported formats - Total Image Converter will do everything for you.

BatchPhoto is a batch photo editing software for Win and Mac that can convert, resize, annotate and watermark hundreds of photos in a single operation.