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Blur & Sharpen — Free Online Tool | Pixlane
Apply various blur and sharpen filters to images. Gaussian smoothing for noise reduction, median for salt-and-pepper noise, bilateral for edge-preserving smoothing, or unsharp mask for sharpening.
Apply Gaussian blur, median filter, bilateral filter, or unsharp mask to images.
All processing runs locally in your browser. Your files never leave your device — no upload, no server, no signup required.
Frequently Asked Questions
What is Gaussian blur?
Gaussian blur smooths an image by averaging each pixel with its neighbors using a Gaussian (bell curve) weighted kernel. It reduces noise and detail while preserving overall structure.
What is bilateral filtering?
Bilateral filter smooths images while preserving edges. It considers both spatial distance and intensity difference, making it ideal for noise reduction without blurring object boundaries.