PureTools
Background Remover
Remove the background from any photo in one click. The AI runs in your browser: no upload, no signup, no watermark, transparent PNG output.
Drop your image here
or click to browse, JPG, PNG, WEBP · max 50 MB
Preparing…
How to use the Background Remover
This background remover erases the background of a photo with AI that runs completely in your browser. Your image is never uploaded to a server, the result has no watermark, and the cutout keeps the full resolution of your original picture.
- Upload your image, click the upload area or drag and drop a JPG, PNG or WEBP file (up to 50 MB). Your photo is opened directly in your browser; nothing is sent to any server.
- Wait for the automatic removal, the background disappears on its own. On your very first use the tool downloads its AI engine (55 to 140 MB depending on your device, one time only); after that it starts instantly and even works offline. A progress bar shows every step and you can cancel at any moment.
- Compare and touch up, drag the divider across the image to see the original on the left and the cutout on the right; the checkered pattern marks transparent areas. If the AI erased part of your subject or left a spot behind, switch to the Restore or Erase brush and paint directly on the image to fix it, then use the zoom buttons to check edges up close.
- Pick a background, keep it transparent or click a swatch to place your subject on white, black, or any custom color.
- Choose format and quality, PNG keeps transparency losslessly, WEBP keeps transparency in a smaller file, and JPG fills the background with a solid color.
- Download, click Download to save the result with no watermark. The file name ends in "-no-bg" so you can find it easily.
How AI background removal works without a server
The tool uses a compact neural network (44 to 115 MB depending on your device) trained to separate a subject from its surroundings. When you load a photo, the image is analyzed at 1024 x 1024 resolution and the network produces an alpha matte: a map that scores every pixel from fully background to fully subject. That matte is then scaled back up to your image's full resolution with smooth interpolation and applied as a transparency channel, which is why fine details like hair keep soft, natural edges. Because the network runs on your own device, the speed depends on your hardware, not on an internet connection, and a typical photo is processed in a few seconds on a modern laptop.
Transparent PNG or a new background color
A transparent PNG is the standard choice for product photos, logos, profile pictures and marketplace listings, because you can place the cutout on any design later. If you need a ready-to-post image instead, pick a color swatch: white is the requirement for most e-commerce platforms, and a brand color works well for social media. PNG files with transparency can be large; if file size matters, export WEBP or run the result through the Image Compressor after downloading.
Frequently asked questions
Does the Background Remover add a watermark?
No. PureTools Background Remover adds absolutely no watermark to your images, at any resolution. The download is a clean file containing only your cutout, with nothing overlaid, no branding and no upgrade banner. Most online background removers watermark the full-resolution result or lock it behind a paid plan; this tool exports the complete image at the original resolution for free, because the processing happens on your own device rather than on a paid server.
Is my photo uploaded to a server?
No. Your photo never leaves your device. The AI model is downloaded to your browser and the entire cutout is computed locally. No image data is transmitted, no account is required, and nothing is stored after you close the tab. PureTools is a 100% static site with no backend to receive files. This also means your pictures are never used to train AI models, which is a real concern with server-based removal services that keep uploaded photos.
How can AI background removal work without a server?
The tool ships a compact neural network that was trained to detect the main subject of a photograph: a 115 MB high precision version on desktop and a lighter 44 MB version on phones. Modern browsers can execute this kind of model directly on your graphics chip or processor, so the same math that would normally run in a data center runs on your laptop or phone instead. The image is analyzed at 1024 x 1024 resolution, the network outputs a transparency map, and the tool scales that map back to your photo's full size. Nothing about this process needs an internet connection once the model is on your device.
Why does the first image take longer than the next ones?
On your first use the tool downloads its AI engine: about 140 MB on desktop computers, where a larger high quality model is used, and about 55 MB on phones. A progress bar shows the download in real time. This happens exactly once: the engine is cached by your browser, so the next images start processing immediately, and the tool keeps working even when you are offline. After the engine is ready, a typical photo takes a few seconds on a desktop computer and somewhat longer on a phone, since all computation happens on your own hardware.
Which image formats are supported?
You can upload JPG, PNG and WEBP files up to 50 MB. For the result you can choose PNG (lossless, keeps transparency, biggest file), WEBP (keeps transparency in a much smaller file) or JPG (no transparency, so the background is filled with white or the color you picked). If you need a different input format such as HEIC or AVIF, convert it first with the Image Converter, which also runs entirely in your browser.
How do I get a transparent PNG?
Transparency is the default. Upload your image, wait for the automatic cutout, leave the background set to Transparent (the checkered swatch) and download with PNG selected. The checkered pattern you see behind the result is only a preview aid that marks transparent pixels; it is not part of the file. The exported PNG contains a real alpha channel, so you can drop it into any design program, slide deck or web page and the background of the underlying layer will show through.
Can I replace the background with a color instead of transparency?
Yes. After the cutout is ready, click one of the background swatches in the sidebar: white, black, or the rainbow swatch to open a full color picker. The preview updates instantly and the comparison slider keeps working so you can check the edges against the new color. White backgrounds are required by Amazon, eBay and most marketplaces for product photos, which makes this the fastest way to prepare a compliant listing image.
How accurate are the edges around hair and fine details?
The neural network produces a soft alpha matte rather than a hard outline, so semi-transparent regions like hair strands, fur and motion blur keep gradual edges instead of a jagged cut. The matte is computed at 1024 x 1024 and upscaled to your image's resolution with smooth interpolation. Results are strongest on photos with a clear subject: people, products, animals and vehicles. When the subject blends into the background, the AI can miss a detail such as a hand or a shadowed area; the Restore brush paints any erased part back at full resolution, and the Erase brush removes leftover background the same way.
What is the maximum image size?
Files up to 50 MB are accepted. For processing, very large photos are scaled to at most 4096 px on the longest side on desktop, and 2048 px on phones and tablets, to stay within browser memory limits. A 4096 px export is larger than what most server-based free plans return, which often cap free downloads around 500 to 600 px. The dimensions of your result are shown next to the download button so you always know exactly what you are saving.
Does the Background Remover work on a phone or tablet?
Yes. The comparison slider, color swatches and zoom controls are all touch-friendly with tap targets of at least 44 px. Processing takes longer on a phone than on a desktop because the AI runs on the device's own processor, and images are capped at 2048 px on mobile to protect memory. On iPhone and iPad the download button opens the share sheet so you can save the cutout directly to your photo library.
Are my images saved after I close the tab?
No. All image data lives in temporary browser memory and is freed when you close the tab. No file content or personal data is written to cookies, browser storage or any server. The only thing kept between visits is the downloaded AI engine itself, cached by your browser so you do not have to download it again. If you reopen the tool later it starts clean, with no memory of your previous image, background choice or export format.