Developer Tool Guide
About AI Background Removal (RMBG)
The AI Background Removal tool utilizes the industry-leading briaai/RMBG-1.4 model. Unlike traditional online cutout services, this tool executes all AI inference calculations directly in your local browser using the latest WebAssembly and WebGPU technologies.
Why choose pure frontend local AI cutout?
- Absolute Privacy: All image processing is done on your device, no pixels are ever uploaded to cloud servers, which is crucial for commercial designs or personal photos.
- Free & Unlimited: Because computing resources come from your own device, we don't have expensive GPU server costs, allowing us to provide completely free, unlimited high-res background removal.
- Hair-level Precision: The RMBG model is specially trained for complex edges (like hair, fluff, transparent glass), easily generating high-quality PNG images with transparent backgrounds.
How to use this tool?
When opening this page for the first time, the tool will automatically download approximately 40M-100M of model files in the background. Once downloaded, the model will be cached in your browser. Just drag & drop an image, click "Start Background Removal", wait a few seconds, and you can preview and download the transparent PNG.