How is this different from AI background removal?

This tool uses color-based flood fill, which is predictable and runs locally. AI tools use neural networks to detect subjects, which handles complex scenes better but requires server processing.

Why is there a halo around my subject?

The tolerance is too low, leaving a fringe of background-colored pixels. Increase tolerance slightly or use edge softness/feathering to blend the transition.

Can I remove backgrounds from photos of people?

For simple solid backgrounds, yes. For complex real-world backgrounds or subjects with fine hair detail, AI-powered tools will produce better results.

What format should I save in?

Always PNG for transparent backgrounds. JPG does not support transparency and will replace transparent areas with white.

How to Remove Image Backgrounds Online (2026)

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