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
- Effect
- Grayscale
- Black & White
- Sepia
- Intensity: 100%
- Threshold: 128
Format:
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.