How to batch remove backgrounds and export transparent PNGs on Windows

Prepare your images

1. Install and open Cutout & Watermark Removal from Novaber on Windows. Image processing runs in a local container. Sign-in, task authorization, the initial app image download, and on-demand model downloads require an internet connection.
2. Import your product photos into a batch image task. Start with a few representative shots, including any thin handles, holes or translucent edges. Keep the originals for comparison.

• See the Novaber installation and environment guide
• Check GPU, VRAM and image storage requirements

Choose automatic removal, a text prompt or point selection

1. Start with BiRefNet for automatic background removal when each product photo has a clear foreground subject.
2. When a photo contains different kinds of objects and you only want to keep one kind, name it in a SAM3 text prompt.
3. Use SAM2 points to mark a subject manually. Switch between the original and transparent preview to check edges and gaps before processing the rest of the batch.

Export a ZIP and verify PNG transparency

1. Export a ZIP when the cutouts are ready and extract the transparent PNGs. The masks identify which areas to keep or exclude. Use the transparent PNGs in your layouts.
2. Place a PNG against both light and dark backgrounds to inspect the edges. If you see leftover background, a halo or missing details, check the original preview and adjust that image.
3. Keep PNGs for later design work. If a marketplace requires a specific background color, composite the PNG onto that color and export in the format the marketplace accepts.