Free online AI smart background removal tool, one-click background removal website, quickly removes image backgrounds based on cutting-edge AI technology. Supports portrait background removal, product background removal, no login required, no watermarks, completely free. Automatically removes background in 3 seconds with hair-level precision. Supports transparent backgrounds, solid colors (red, white, blue ID photo background colors) and custom background images, free background replacement. Perfect for creating ID photos, product images, social media avatars and other scenarios. High quality output with natural edges.