Image Histogram Generator
Upload an image to generate RGB channel histograms
Drop your image here or click to browse
Supports PNG, JPG, JPEG, GIF, BMP, WEBP
Error!
Processing image...
Original Image
RGB Histogram
Hover over the histogram to see detailed values
Click on bars to highlight intensity ranges
Image Statistics
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Width (px)
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Height (px)
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Total Pixels
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File Size
Free Image Histogram Generator – Analyze Tones & Exposure
See the science behind your photos! Our Image Histogram Generator creates a detailed graph that shows the distribution of tones (shadows, midtones, highlights) and color channels (RGB) in your image. This is a vital tool for photographers and editors to objectively analyze exposure and correct color issues.
Why Use a Histogram?
- Check Exposure: Instantly see if your image is underexposed (data shifted left), overexposed (data shifted right), or well-balanced.
- Analyze Color Channels: View individual Red, Green, and Blue channel histograms to diagnose color casts and imbalances.
- Improve Your Editing: Use the histogram as a guide to make precise adjustments in contrast, brightness, and levels.
- Learn Photography: A great educational tool for understanding how digital images record light and color.
How to Generate a Histogram:
- Upload your image (JPG, PNG).
- View the generated luminance and RGB histogram.
- Analyze your image’s tonal range and color data.
Perfect for: Photographers, photo editors, students, and anyone who wants to move beyond basic editing and understand their images on a deeper level.



