Image Tools
Image Histogram Viewer
Add an image to see a histogram of its red, green, and blue channel pixel values, processed entirely on your device.
Add an image to view its RGB histogram
Click to browse, or drag and drop
Shows the distribution of red, green, and blue pixel values across the image, grouped into buckets of 8 brightness levels each. Processing happens entirely in your browser.
How to use this tool
- 1Add an image.
- 2See the histogram for each color channel.
Frequently asked questions
What does a histogram tell you about an image?+
It shows how pixel brightness is distributed per channel — a histogram bunched at the low end suggests a dark image, while one bunched at the high end suggests an overexposed or bright image.