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Make an image background transparent

Turn a photo, product shot or logo into a PNG with a see-through background, made on your device.

Make the background of a photo or logo transparent and save a PNG, at full resolution, in your browser. It is free, needs no account and adds no watermark, and your files are not uploaded: everything runs in your browser on your device. The first run downloads the cut-out model and the WebAssembly engine that runs it (about 42 MB in all) to your browser, and after that the tool works offline.

Drop images to make transparentor click to choose files. Batches welcome.

    The first photo downloads the cut-out model and its WebAssembly runtime (about 42 MB in all, once). After that first download it is cached and works offline. If part of the subject goes missing, try Keep more; if bits of background stay, try Keep less.

    Working…

    Done

    Your files are processed on this device and never sent to a server. Reload the page to clear everything from memory.

    A transparent background means the pixels around your subject carry no colour at all, so whatever sits behind the image, a slide, a web page, a T-shirt mockup, shows through. Only some file types can store that: PNG and WebP keep an alpha channel with 256 levels of see-through for every pixel, while JPG has none and always fills the background with a colour. That is why this page saves PNG by default.

    The cut-out is found by a segmentation model running in your browser, which marks each pixel as subject or background and keeps soft edges where they belong, around hair, fur and anti-aliased lettering. Semi-transparent edge pixels are what stop a cut-out looking pasted on when you place it over a new background.

    For a logo on a plain white or coloured backdrop, the same model separates the mark from the page. Check the preview at the edges of thin strokes and small text: very fine detail on a busy background is the hardest case. If you need the file smaller for the web, choose WebP, which keeps the transparency at a fraction of the PNG size.

    How it works

    1. Drop the photos or logos, or tap to pick them. The first one downloads the cut-out model and its WebAssembly runtime once (about 42 MB in all).
    2. Keep Transparent and PNG, or choose WebP for a smaller file with the same transparency.
    3. Download the transparent images at their original size, or all of them in one zip.

    In your browser, not on a server

    ISNet, an open image segmentation model, runs in a web worker through onnxruntime-web compiled to WebAssembly. Your photo is shrunk to 1024 × 1024 in memory, the model marks every pixel as subject or background, and that mask is scaled back up and applied to the original pixels on a canvas, so the cut-out keeps full resolution. The model and runtime are served from this site, downloaded once and cached.

    Compared with upload-based tools: Your photo can show people, rooms and documents you would rather not upload. Here the full-size cut-out is made on your device, with no credits, no watermark and no copy of your photo on anyone’s server.

    Verify it yourself. Give the page a short while after your first run to save itself for offline use, then turn off Wi-Fi or switch to airplane mode and run the tool again. Or open your browser's developer tools (F12, or Cmd-Option-I on a Mac), pick the Network tab, and watch it while you convert. The panel above does the same count for you.

    Questions

    Why does my transparent PNG show a white or checkered background?

    Viewers draw transparency in different ways: many show a grey checkerboard, some show white. Place the PNG over a coloured slide or page and you will see the background is really gone.

    Can a JPG have a transparent background?

    No. JPG has no transparency channel, so any see-through pixels are filled with a colour when it is saved. Use PNG or WebP to keep them.

    PNG or WebP for a transparent image?

    PNG opens everywhere, from Word and PowerPoint to old image editors, so it is the safe choice for documents and print. WebP keeps the same transparency in a much smaller file and is supported by every current browser, which makes it better for websites and online stores.

    Does it work on logos and signatures?

    Yes for logos with a clear shape on a plain background. A signature scanned on white paper is harder: a thin pen line is the most difficult thing for a subject model to outline, so zoom into the preview and check the strokes before you use it.

    Is the file uploaded anywhere?

    No. There is no server in this process. The page is a static file and the work is done by code running inside your browser tab. Give the page a short while after your first run to save itself for offline use; then you can turn off Wi-Fi and it still works.

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