Background Remover PNG is an independent website with one job: take a photo, remove what is behind the subject, and give you back a transparent PNG at the same size you started with. There is no account to create, no watermark on the result, no credits to buy and no daily limit.
Why it exists
Most online background removers work the same way. You upload your photo to a server, the server runs an AI model, and you get a preview back. The preview is often small; the full-size file costs money or a signup. That model makes sense for the companies running the servers, because every image they process costs them computing time.
This site takes a different route. Modern browsers can run AI models directly on your computer or phone, using the graphics chip through WebGPU or the processor through WebAssembly. When the work happens on your device, processing one more image costs us nothing, so there is no reason to hold back the full-resolution file or to count how many images you make. It also means your photos stay with you: they are never sent to us, because there is nothing on our side that could receive them.
How the cutout works
When you open an image, the page loads an open-source segmentation model called BiRefNet (the "lite" version, published under the MIT license by its authors, Peng Zheng and colleagues). The first time, your browser downloads the model once — roughly 50 MB — and keeps it so that later visits start immediately.
The model looks at a scaled copy of your image and estimates, for every pixel, how likely it is to belong to the main subject. That estimate becomes the alpha channel of your PNG: fully opaque where the subject is, fully transparent where the background was, and partly transparent along soft edges such as hair and fur. The mask is then scaled back up to your photo's original size, so the file you download has exactly the pixel dimensions of the photo you opened. Very large photos are the one exception: above about 36 megapixels on a computer, or 16 on a phone, the page scales the image down to fit in the browser's memory and tells you when it does.
On a recent computer with a supported browser, a cutout usually takes a few seconds. Phones and older machines run the model on the processor instead of the graphics chip and can take noticeably longer, but the result is the same kind of full-size file.
What else you can do before downloading
The cutout is the starting point, not the end. You can:
- keep the background transparent, or place the subject on white, black, any color, a blurred copy of the original photo, or an image of your own;
- erase leftover background or restore parts of the subject with a brush, with undo and redo;
- remove a flat color everywhere in the image with the remove-a-color tool, which helps with logos and the white inside letters;
- trim the empty space around the subject, add padding, choose an aspect ratio such as square for a marketplace listing, and resize to a specific width;
- download PNG, or JPG and WebP when you have chosen a background.
Special presets handle a few common jobs with less fiddling: removing a white background, cleaning up a logo and turning a photographed signature into ink on a transparent background.
What it does not do
Being clear about limits saves you time. The site does not process batches of images, has no API, no user accounts and no cloud storage, and it does not generate new backgrounds, add shadows or remove objects from photos. It does not work on video. If you need any of those, a paid service built around servers is the better fit, and our comparison pages say plainly when another product suits a job better.
Privacy in one paragraph
Your images are processed in your browser and are never uploaded. The site counts page views and a few anonymous tool events — which preset was used, whether the graphics chip or processor ran the model, how long it took, what format was downloaded — without cookies and without anything that identifies you. The privacy policy lists exactly what is recorded.
Contact
Questions, bug reports and suggestions are welcome at hello@backgroundremoverpng.com. If something went wrong with an image, tell us which browser and device you used; please do not send the image unless we ask, since the tool never needs it.