Upload an image, convert its pixels to grayscale in the browser, preview the result, and download the processed file locally.
The image is converted to grayscale locally in your browser.
Upload an image to create a grayscale copy while keeping its original dimensions.
Each color is replaced with a shade of gray based on its brightness, and the result is saved in an image format supported by your browser.
No. The conversion happens locally in your browser.
No. The tool keeps the original width and height and only changes pixel colors.
Re-encoding the processed image can change compression details, which affects the final file size.
Image formats that your browser can open should work here.
Grayscale conversion reduces color information, but it does not crop or resize the image.
Different colors can become similar shades of gray, so check labels and boundaries in charts or diagrams.
The luminance formula weights green more heavily than red or blue to better match perceived brightness.
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