Remove paper shadows, whiten background & boost ink contrast
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 Document & Whiteboard Scan Enhancer.
Customize options, dimensions, quality, or filters according to your needs.
Click process and download your instant high-quality result directly to your device.
Taking phone photos of documents often results in dark cast shadows and gray, dingy paper. Automatically flattens uneven paper shadows, whitens the background page, and amplifies ink contrast for clean, professional PDF and printing readability.
Yes, Document & Whiteboard Scan Enhancer 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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