About this tool
Load a photo and an AI model (BiRefNet-lite) cuts out the subject (people, products, animals, cars) and removes the background. The model runs on your device: about 120 MB is downloaded once from this site and kept for later visits, and the photo itself is never uploaded. Drag the before/after slider to check the edges, sharpen them if there is a halo, and put the subject on a transparent, white or coloured background. For plain backgrounds there is also a Remove a colour method that works without the model, from the edges or from a colour you click. It is part of a free photo editor, so you can also crop, adjust and resize before you download a PNG (or a JPG or WebP).
How to use it
- 1 Choose, drop or paste a photo with a clear subject.
- 2 The AI removes the background automatically (the first time it downloads the model); for plain backgrounds you can choose Remove a colour.
- 3 Pick the new background (transparent, white or a colour) and raise the edge sharpness if there is a halo.
- 4 Click Download to save a transparent PNG, or change the size and format in Size & format.
Frequently asked questions
Does it use AI?
Yes. The AI method uses BiRefNet-lite, an open model (MIT licence) that runs in your browser with ONNX Runtime Web, on the graphics card when WebGPU is available and otherwise on the processor. The Remove a colour method needs no model and works best on plain backgrounds.
Is my photo uploaded anywhere?
No. The photo is read and processed in your browser; only the AI model is downloaded, once, from this site.
The edges look rough - what can I do?
Raise Edge sharpness to remove a soft halo. With Remove a colour, lower the tolerance so it removes less, raise the edge softness by one or two, or choose Click on the image and click a typical spot of the background.
Why does it say there is not enough memory?
The AI model needs about 1.5 to 2.5 GB of free memory while it runs. On phones with little memory, close other apps and tabs or use Remove a colour. A minute after the last photo, the editor releases the memory the model used.
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