Magic Document Enhancer
Shot a document in bad lighting? Our Magic Enhance engine uses OpenCV to automatically remove shadows and perfectly binarize your text.
Drop a shadowy document here
Supports JPG, PNG, WEBP, and more
How Magic Enhance Works
Our Magic Enhancer uses an industrial computer vision library (OpenCV) right in your browser. It doesn't just brighten your photo; it performs Adaptive Thresholding.
- Local Processing: Traditional tools apply one brightness filter to the entire image, which ruins documents with uneven shadows.
- Contextual Awareness: OpenCV analyzes tiny 31x31 pixel blocks of your document individually. It determines the perfect black/white threshold for that specific patch of the shadow.
- Perfect Results: The result is perfectly stark black text on a perfectly white background, completely erasing harsh shadows from desk lamps or phones blocking ceiling lights.
100% Private: The 8MB OpenCV engine downloads directly to your device cache on the first run. Your document images absolutely never leave your device.