Image DitherApply Floyd-Steinberg dithering for retro limited-color effects.
Image Dither
Apply Floyd-Steinberg dithering for retro limited-color effects.
Upload Image
Drop or select an image.
Set Levels
Choose color levels per channel.
Apply and Download
Click Apply, preview, and download.
What Is Image Dither?
Floyd-Steinberg error diffusion dithering simulates smooth gradients with limited colors by distributing quantization errors to neighboring pixels.
Why Use Our Image Dither?
- Floyd-Steinberg for quality dithering
- Adjustable color levels
- Classic retro aesthetic
- Effective gradient simulation
Common Use Cases
Retro Effects
1-bit or limited-color retro graphics.
Print Prep
Prepare for limited-color printing.
GIF Optimization
Reduce colors for GIF format.
Artistic Style
Distinctive stippled texture.
Technical Guide
Processes left-to-right, top-to-bottom. Error distributed: right 7/16, bottom-left 3/16, bottom 5/16, bottom-right 1/16.
Tips & Best Practices
- 12 levels for classic 1-bit
- 24-8 for retro look
- 3View at 100% zoom
- 4Higher levels = subtler effect
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Image ToolsFrequently Asked Questions
QWhat is dithering?
QWhat is Floyd-Steinberg?
QHow many levels?
QWhy noisy up close?
About Image Dither
Image Dither is a free online tool from FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration required. No ads. Just fast, reliable tools.