How to Prepare Photos for Dithering Before You Hit Process

Most bad dithering results are not caused by the algorithm. They are caused by the input. If the original photo is flat, cluttered, or oversized, even a good algorithm will spend its effort preserving the wrong information.

A little preparation goes a long way. The point is to make the important forms obvious before the image loses color depth.

The Five-Minute Prep Checklist

• Crop aggressively: Remove irrelevant background detail before you dither it into noise.
• Resize to target use: Dither after you know the final size, not before.
• Increase contrast: Push the subject away from the background so the silhouette survives.
• Simplify color expectations: A tiny palette cannot preserve every subtle hue shift.
• Pick the palette early: The palette decides what differences will survive conversion.

Why Scale Matters So Much

Dithering happens at the pixel level. If you dither a huge image and then shrink it later, you are averaging away the very structure you just created. That usually turns crisp texture into flat mush.

What to Fix First When a Result Looks Bad

• If it looks muddy, raise contrast or switch to a stronger palette.
• If it looks too noisy, reduce detail, enlarge the scale, or test Ordered (Bayer).
• If it looks flat, the subject probably needs better tonal separation before dithering.

The fastest way to improve output is to think like a print designer: simplify first, stylize second. Dithering rewards clarity.