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Seedream 4.0 Background Removal
Nano Banana precision engine: hair‑level cutouts, transparent PNG output, preserved details
Background Removal FAQ
What does background removal do?
It removes the entire background and returns a clean subject with transparent PNG. Hair, edges and semi‑transparent regions are preserved with minimal halos.
How do I use it?
Upload one clear photo of the subject and click Generate. The tool uses a built‑in prompt specifically tuned for background removal – no extra text input is needed.
Upload limits
One image per job, up to 50MB. For best results use well‑lit photos with clear separation between subject and background.
Credits consumption
Nano Banana background removal typically costs about 3 credits per job. Check Pricing for the latest rules.
Output format
Transparent PNG (sRGB). We try to keep the original resolution; if needed, the canvas can be expanded without warping the subject.
Common issues
If the subject blends into the background, try a higher‑contrast photo. Avoid motion blur and extremely low resolution for best edge quality.