⬛ Image Grayscale Converter
Convert any color image to grayscale instantly. Uses luminance-based conversion for accurate results.
How It Works
This tool converts every pixel using the standard luminance formula:
gray = 0.299 × R + 0.587 × G + 0.114 × B
The result is a true grayscale image where each pixel's brightness accurately represents the luminance of the original color.
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FAQ
What is the output format?
The grayscale image is downloaded as a PNG to preserve quality with no compression artifacts.
Can I convert a photo to black and white?
Yes — grayscale and black-and-white are used interchangeably. This tool creates a full grayscale image with 256 shades of gray.