Image Dithering Tool
Apply grayscale and color dithering algorithms.
About Image Dithering Tool
The Image Dithering Tool applies classic dithering algorithms to photos, reducing the color count while creating the textured patterns associated with retro computing and pixel art. Artists, game developers, and designers use it to give images a deliberate lo-fi style or to preview how artwork will look on limited-color displays. Upload any image, pick an algorithm such as Floyd-Steinberg, Ordered, or Atkinson, set a color depth between 2 and 256 colors, and fine-tune brightness, contrast, and dither strength. Everything is computed locally in your browser and the dithered result downloads as a PNG.
Key Features
- ✓Floyd-Steinberg, Ordered, and Atkinson algorithms
- ✓Color depth from 2 to 256 colors
- ✓Brightness, contrast, and strength controls
- ✓Retro pixel art and lo-fi image effects
- ✓Instant processing for most images
- ✓Downloads the result as a PNG file
How to Use Image Dithering Tool
- 1
Upload a Source Image
Select any image file. Photographs with continuous tones show dithering patterns clearly.
- 2
Choose a Dithering Algorithm
Pick an algorithm such as Floyd-Steinberg, Ordered, or Atkinson. Floyd-Steinberg produces the most natural-looking grain.
- 3
Set the Color Depth
Choose the number of colors, from 2 to 256. Lower counts create more pronounced, graphic dithering patterns.
- 4
Adjust the Parameters
Fine-tune brightness, contrast, and dithering strength until the texture matches the look you want.
- 5
Apply and Download
Click "Apply Dithering" to process the image, then save the result as a PNG to preserve the pixel detail.
Read the complete step-by-step guide with screenshots and pro tips
Common Use Cases
- •A pixel artist dithers a concept piece to match retro game hardware limits.
- •A designer creates a lo-fi album cover with visible dither patterns.
- •A developer previews how artwork will render on a low-color e-ink display.
- •A photographer converts a portrait into a two-color graphic poster.
- •A teacher demonstrates error-diffusion algorithms with live examples.
Frequently Asked Questions
Is my image uploaded to apply dithering?
No. The algorithm runs entirely in your browser using local processing. Your image never leaves your device, and the output downloads straight to you.
How many colors can I use in the output?
You can set the color depth anywhere from 2 to 256 colors. Values between 2 and 16 produce the most visible dithering patterns.
Is the Image Dithering Tool free?
Yes. There is no cost, no signup, and no limit on how many images you can process.