Quick answer: This tool finds the main subject of a photo — a person, a product, an animal, most single-subject objects — using a general-purpose AI model (U²-Net, Apache 2.0 licensed) and makes everything else transparent, or fills it with a solid color you choose. It runs entirely in your browser: the model downloads once (about 10 MB) and every photo after that is processed on your device, never uploaded.
Choose a photo, and this tool finds the main subject — a person, a product, an animal, most single-subject objects — and removes everything else. Download it with a transparent background, or fill the background with any color from the chart or the color picker.
The first photo you try takes a few seconds longer than the ones after it, because your browser downloads a small AI model the first time (about 10 MB) and keeps it ready. Nothing about the photo itself is ever sent anywhere.
How it works
The model looks for whatever stands out most from the background in the photo, the same idea used in "salient object detection" research, rather than looking specifically for a face. That is why it works on products and pets as well as people. The photo is shrunk to a small working copy for the model, and the result is stretched back over your full-resolution photo.
Transparent or solid color
Transparent is the right choice when you are placing the cutout over something else, such as a website, a slide or another photo. Solid color is the right choice when the destination expects a plain background, such as many marketplace listings or a simple product shot: pick a swatch from the chart, or use the color picker for any exact color, including a brand color you already have as a hex code. Changing the color afterward is instant and does not run the model again.
The edge softness slider blends the boundary between the subject and the background. Raise it for photos with fine detail such as hair, and lower it for a crisp, hard edge.
A worked example
Example. A product photo on a plain background, a portrait, or a pet photo with a reasonably uncluttered background all cut out cleanly in a few seconds once the model has loaded. A busy or low-contrast background, where the subject is a similar color to what is behind it, is the case where results are weakest, and the edge softness slider matters most.
Real-world examples
A product photo on a plain background, a portrait, or a pet photo with a reasonably uncluttered background all cut out cleanly in a few seconds once the model has loaded.
Switching between transparent and a solid color, or between colors on the chart, is instant, since the cutout itself only needs to be computed once.
Common mistakes to avoid
- Using a photo with more than one prominent subject. The model picks out what stands out most, so a second person or object nearby can confuse the result.
- Expecting a perfect cutout on very fine detail, such as individual hair strands or fur, in one pass. Try raising the edge softness slider.
- Judging the very first photo you try. Results vary with lighting and background contrast, so try two or three photos before deciding.
Frequently asked questions
Is my photo uploaded anywhere?
No. The photo is read directly into your browser and processed there. After the model loads once, this page makes no further network requests at all.
Can I make the background a solid color instead of transparent?
Yes. Choose "Solid color", then pick a swatch from the chart or use the color picker for any exact color.
Does this work on products, pets and objects, not just people?
Yes. It looks for whatever is the clear main subject of the photo, not specifically a person.
Why does the first photo take longer than the second?
The AI model (about 10 MB) only needs to download once per visit. Every photo after that is processed immediately, and changing the background color afterward is instant.
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Sources and further reading
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