Remove Image Background

What Remove Background does

Remove Background runs an AI segmentation model directly in your browser to separate the main subject of a photo from everything behind it, then deletes the background pixels and replaces them with transparency. The model looks at the whole image and predicts, pixel by pixel, how likely each one is to belong to the foreground subject versus the background — it isn't picking a single flat color to key out, so it works on busy, multi-colored, or gradient backgrounds the way old-school color-key tools couldn't. Because the model and its weights (about 40MB) run locally after the first download, your image is never uploaded anywhere; segmentation happens entirely on your device. After the raw mask comes out, the tool runs a second local pass that erodes the mask edge, rebuilds the true foreground color at the boundary (removing background color bleed), and selectively protects high-saturation, high-contrast detail connected to the subject — this is what keeps thin strands of hair, fur, or fine edges from being clipped off along with the background. The result is exported as a PNG with a genuine alpha channel, so the cut-out subject can be dropped onto any new background, layered in a design tool, or kept transparent for a logo or product shot. What it can't do: invent detail the camera never captured, separate two overlapping subjects of the same color, or perfectly resolve glass, smoke, or motion-blurred edges — those areas are inherently ambiguous to any segmentation model and will show partial transparency or minor color fringing rather than a clean line.