Image to Grayscale
Convert any image to grayscale — continuous shades, or quantized levels (4, 16, 64) for poster-style output.
Drag an image here, paste from clipboard (Ctrl+V), or
Preview
How to use Image to Grayscale
- Pick an image.
- Choose continuous or quantized levels.
- Click Convert and Download.
What is Image to Grayscale?
Continuous grayscale uses standard luminance weights for natural-looking results. Quantized levels (4, 16, 64) produce blocky, comic-book-style images good for print stencils or graphic effects.
FAQ
- What are levels?
- How many distinct shades of gray are used. Lower (4) = posterized blocky look; higher (64) = closer to continuous.
- Does converting to grayscale upload my image?
- No. Conversion happens entirely in your browser — your image never leaves your device.
- What's the difference between continuous and quantized grayscale?
- Continuous uses smooth, full-range shading. Quantized limits output to a set number of levels (e.g., 4, 16, 64) for a poster-style look.
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