Image Tools
Image Blur
🔒 Runs in your browser
Apply a box blur to any image. Adjust the blur radius from 1 to 20 pixels. Download the result. Free.
Box blur averages neighbouring pixels within the chosen radius. Your image never leaves the browser.
How to Blur an Image Online — Free (2026)
Blur any image in your browser for free using a box blur with adjustable radius (1–20px). Download as PNG — no upload, no watermark, no account needed.