ImageTools is a free and powerfull screen sharing tool with build in batch image resizer, converter, cropper, flipper/rotater, optimizer and watermarker.

• Windows Vista/7 full compatibility
• .NET/MONO (Linux/OS X) support
• Good memory managment for processing big amount of big images
• BMP, GIF, JPEG, TIFF and PNG image formats support for resizing, converting, cropping, flipping, rotating, watermarking, optimizing
• Brightness, Contrast, Gamma adjustments
• Multicore processing support - extreme perfomance
• Variable quality for output (optimizing)
• Color channels filtering
• Internal benchmarking tool
• Able to process indexed pixel format images