Reveal hidden shadow details & recover murky photos using CDF equalization
Drag & drop your image here
or browse files · You can also paste from clipboard
Supports PNG, JPG, WebP, BMP, GIF, SVG · Max 50MB
Select, drag and drop, or paste your image into the Histogram Equalization & Dynamic Range Expander.
Customize options, dimensions, quality, or filters according to your needs.
Click process and download your instant high-quality result directly to your device.
Digital image processing technique that computes the cumulative distribution function (CDF) of pixel luminance, flattening the tonal distribution to reveal hidden shadow textures and atmospheric details in cloudy, hazy, or underexposed photos.
Yes, Histogram Equalization & Dynamic Range Expander on KiteImage is 100% free with no hidden fees, subscriptions, or limits on usage.
Absolutely. Unlike other online image tools, KiteImage processes all images directly in your browser using HTML5 Canvas and WebAssembly. Your photos never leave your device or get uploaded to any server.
We support all standard modern image formats including JPG/JPEG, PNG, WebP, GIF, SVG, and BMP.
You have full control over quality and compression settings. You can maintain 100% lossless quality or optimize for smaller file size without noticeable visual loss.
Adjust brightness, contrast, saturation, sepia, and hue
Convert color photos to classic black and white
Apply smooth gaussian blur for backgrounds and privacy
Upscale retro pixel art and sprites 2x, 4x, 8x with zero blur
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