Graphest DepthDither is a free filter plug-in for Photoshop, it mainly concerns on generating color dither in Photoshop. DepthDither uses diffusion, pattern and noise to make the image seems to be continuous when the color is below 24 bit.

Halftone patterns made easy. With the Halftone plug-in, you can apply perfect halftone dots, tightly aligned to a grid. Use Halftone for pre-press work or use any of it's features to create artistic work. Halftone uses it's own way to generate the patterns and dots. This allows Halftone to render very precise results. Using fully correct 2D models for all the shapes, enables a number of features not found in other plug-ins.

An interactive image compressor. Provides various compression controls and a real-time preview of a resulting image. May prove to be very useful if you need to optimize your images for publishing in the Web. Includes a set of image enhancement tools, simple built-in batch processor and thumbnail generator.

PaletteMaker creates a common 256-colour palette from a list of RGB pictures. It uses an iterative and interactive procedure in order to optimize those colours that you judge most important. PaletteMaker is flexible and achieves high quality. PaletteMaker knows about the peculiarities of the Windows Palette Manager and takes the human perception model into account.

OptimizeBatch is a versatile and robust tool for converting thousands of image files to any format of your choice in just a click You can choose from the most effective compression formats for your image for the web, e-mailing, storing, faxing, etc,. Apply minute settings and see changes in a real time. You can quickly and easily compares your original image with optimized image by its visual quality, size, colors etc. in a double pane view.