Grayscale & Black and White
Convert a color photo to grayscale, pure black & white, or sepia tone.
Runs entirely in your browser.
Grayscale Image Tool
Drop an image here or click to upload
Supports PNG, JPEG, WebP, GIF, BMP
About Grayscale Conversion
Grayscale removes all color while keeping brightness. The luminance of each pixel is computed as 0.299×R + 0.587×G + 0.114×B.
Black & white turns every pixel fully black or white based on a threshold, while sepia adds a warm brown tone.
