Your images never leave your device. BG-Zero uses browser-based AI to process everything locally — the only truly private free background remover available today.
When you use online tools like remove.bg or iLoveIMG, your images are uploaded to their cloud servers for processing. This means:
BG-Zero takes a fundamentally different approach. We don't run any image processing servers — all AI models run directly in your browser via WebAssembly and WebGPU technology.
BG-Zero's architecture ensures images never leave your device from start to finish:
On first use, AI model files (40MB–176MB) download to your browser cache. No re-download needed after that.
Image processing runs entirely in the browser's WebAssembly sandbox, using your device's CPU/GPU. No network requests send your images anywhere.
The processed transparent PNG is generated directly in your browser. The file you download has never touched any server.
Once models are cached, you can process images without any internet connection. Cloud tools can't do this.
| Dimension | BG-Zero (Local) | Cloud Background Removers |
|---|---|---|
| Image uploaded? | Never | Must upload to servers |
| Server can view images? | No server involved | Provider has access |
| Images may be stored? | Impossible | Depends on provider policy |
| AI training risk? | Zero risk | Some providers use uploads |
| Works offline? | Yes | No |
| GDPR / CCPA compliant? | Compliant by design | Requires policy review |
If your images fall into these categories, local processing isn't optional — it's a requirement:
What you need to know about removing backgrounds without uploading
BG-Zero is open source (AGPL-3.0) — you can inspect the source code to confirm there's no image upload logic. You can also monitor the Network tab in your browser's developer tools — no network requests containing image data are sent during processing. You can even disconnect from the internet and test — processing works perfectly offline.
BG-Zero offers three AI engines, and the Transformers.js (RMBG-1.4) engine delivers quality comparable to cloud tools like remove.bg, especially for portraits and complex edges. Local processing doesn't mean lower quality — we use the same caliber of AI models, just running on your device instead of a remote server.
The imgly engine works in all modern browsers with modest hardware requirements. Transformers.js needs Chrome 113+ with WebGPU for best performance. rembg-web offers multiple model sizes (4.7MB–176MB) for flexible device adaptation. Generally, any computer or phone from the last 3 years runs smoothly.
Yes. The first visit requires internet to download AI model files, which are then cached in the browser. All subsequent use is fully offline — no network connection needed. Enterprises can also self-host BG-Zero (open source) on a completely isolated intranet.
Images never leave your device. Free, no watermark, works offline.
Start Removing Background