Image
Image Histogram
Upload an image and the distribution of its red, green and blue channels is plotted as a histogram.
Frequently asked questions
What does an image histogram show?
It shows how the red, green and blue tones are distributed, helping you judge exposure and contrast.
Is this tool really free?
Yes — completely free, with no sign-up, no ads and no artificial limits.
Are my files kept or shared?
No. Processing happens on our servers, then the file is deleted immediately and an automatic cleanup removes any residue. Nothing is stored or sold.