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Image Grayscale Converter

Add an image to convert it to grayscale using standard luminance weighting.

How to use this tool

  1. 1Add an image.
  2. 2Download the grayscale result.

Frequently asked questions

What formula does this use?+

It uses the standard luminance formula (0.299R + 0.587G + 0.114B), which approximates how the human eye perceives brightness.

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