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Object Eraser

Paint over something small and have it filled in.

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Drop an image here, or click to choose one

Paint over something small · the smaller it is, the better this works

Quick Tool Overview

The Object Eraser fills a painted mask by diffusion — repeatedly averaging inwards from the edges, so colour and gradient flow in from all sides. On a blemish, a wire against sky or a small object on a plain surface it is invisible. On texture it smudges, and the page says so rather than letting you find out.

What it does
Fills a painted area from its surroundings
You give it
A photo and a brushed mask
You get back
The photo with that area filled in
Best for
Blemishes, wires, sensor spots and small objects
Image Tools Free, unlimited use No sign-up Runs in your browser

About the Object Eraser

Removing something from a photograph means inventing what was behind it, and how well that can be done depends entirely on how complicated the surroundings are.

The method here is diffusion inpainting: the masked area is filled by repeatedly averaging from its edges inwards, so colour and gradient flow in from all sides. On a blemish, a stray wire against a sky, a sensor spot, a small object on a plain surface, the result is indistinguishable. On something large, or against detailed texture that has to be recreated, it produces a smudge — and the page says so rather than letting you discover it. Brush size, iteration count and edge feathering are all adjustable, and the mask can be undone.

Key features of the Object Eraser

Diffusion inpainting

A classical algorithm that runs instantly with no model download, and reconstructs smooth areas convincingly.

Adjustable brush

Size and softness, with the mask shown as you paint so you can see exactly what will be replaced.

Iterative refinement

More passes give a smoother fill; the count is yours to set rather than fixed.

Undo the mask

Paint, run, and undo freely — the original is never modified until you download.

Clear about the limits

The page states where diffusion works and where it smudges, which saves a lot of wasted attempts.

How to use the Object Eraser

  1. 1

    Load the photo

    The smaller the thing you want gone, the better this works.

  2. 2

    Paint over it

    Cover the object and a little of its edge — a mask that stops short leaves a rim behind.

  3. 3

    Run the fill

    The area is filled from its edges inwards over several passes.

  4. 4

    Refine or undo

    Add to the mask and run again, or undo and start over.

Frequently asked questions

Small ones. A blemish, a wire, a sensor spot, a sign on a plain wall. Anything more than a few percent of the frame, or against complex texture, will smudge rather than fill.

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