X4Lch3mist/Dither & ASCII Node

Two post-processing nodes for ComfyUI: Dither 1-bit turns an image into two colors, ASCII Art turns it into characters in a monospace font. No model, no GPU, pure NumPy + Pillow. Both nodes keep the input resolution and output a mask. Dither 1-bit Patterns: diagonal stripes, reverse diagonal, horizontal and vertical lines, crosshatch, Bayer, halftone dots, Floyd-Steinberg, Atkinson. Adjustable pixel size, pattern size, smoothing, black point, white point, gamma, invert and both colors. ASCII Art Maps brightness to characters from a charset of your choice (dark to bright), optionally sorted by

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