Blur Image Online

This tool applies one blur radius evenly across the entire image. It does not let you draw a box around a face, license plate, or other detail and blur only that area.

If you need to obscure just part of a photo, crop out that section first with a separate crop tool, blur the cropped piece here, then place it back over the original in an image editor. For a photo where the whole picture should look soft, such as a background graphic or a deliberately out-of-focus effect, this tool works directly.

The radius controls how far each pixel's color spreads into its neighbors. Small radii, roughly 1 to 10, soften fine detail and noise while keeping shapes recognizable. Larger radii, 30 and above, smear most detail into broad color blobs, useful for abstract backgrounds or for obscuring content more thoroughly, though it's still applied to the entire image rather than one spot.

There's no single right radius; it depends on the photo's resolution and what you're using the blur for. A product photo background usually needs less blur than a full-bleed hero image meant to sit behind page text, so start low and raise the radius while watching the live preview rather than guessing a number up front.

Blurring runs locally using your browser's own processing power. The photo isn't uploaded anywhere, and the download doesn't retain the original file's EXIF or GPS metadata.

That also means the blur preview keeps working if your connection drops partway through, since nothing after the initial page load depends on a network request.