Convert image to grayscale
Mix an image with weighted grayscale.
Local processing · Nothing is uploaded · 20 MB / 4 megapixel limit
Input & settings
Result
How to use
100% produces weighted grayscale; lower strengths retain some original color.
Limits and behavior
Uses 0.2126R + 0.7152G + 0.0722B on decoded sRGB channels. Alpha is preserved. Still PNG, JPEG and WebP only, up to 20 MB, 4 megapixels and 4,096 pixels per side. Animated PNG/WebP are rejected. Processing and downloads stay on your device. Browser decoding applies EXIF orientation; exports do not preserve EXIF, DPI or original color-profile metadata. PNG preserves transparency; JPEG flattens it onto white. WebP export requires a browser encoder and is checked before download.
Turn a color picture into shades of gray
Convert image colors to grayscale using weighted RGB values, creating a monochrome result useful for documents, graphics and simple visual effects.
Is grayscale the same as a strict black-and-white threshold?
No. Grayscale can contain many shades between black and white rather than only two possible colors.
Related tools: Sepia effect · Saturation