Blur an Image Online

Why blur an image?

Blurring is the gentle way to hide something in a photo. A soft blur over a face, a house number, or a name in the background keeps the overall picture looking natural while making the obscured part unreadable. It's perfect for sharing a screenshot or holiday photo without exposing strangers, addresses, or private notes.

This tool uses a true Gaussian-style blur with a strength slider, so you control exactly how much detail disappears. You can blur the whole image at once or drag a box over just the part you want to soften — everything else stays sharp and full-resolution.

How to blur an image

1. Open your image. Drag a photo onto the tool above, choose a file, or paste from your clipboard.
2. Pick what to blur. Choose Selected areas and drag a box over each part to hide, or switch to Whole image to soften everything.
3. Set the strength. Slide the blur strength up until the detail is gone, then download in your original format.

Blur enough to truly hide

A light blur can sometimes be reversed by software. If the detail is genuinely sensitive — a face you must not reveal, an account number — push the strength high, or use the Redact bars to paint over it completely.