Available on every platform
AI-powered precise face detection
Cutting-edge face detection with the YOLO11 neural network ensures high accuracy on partial faces, angled faces, and across diverse lighting conditions.
-
✓Real-time multi-face detectionDetects and processes multiple faces in a single image
-
✓Partial-face recognitionAccurately detects masked or occluded faces
-
✓Selective de-identificationChoose which detected faces to process
100% local processing
All processing is done in your browser with no server transfer, ensuring complete privacy
Ultra-fast processing
Processes even large images quickly with WebNN and WebAssembly
Offline use
Works fully without an internet connection via PWA
Why choose Mosaicizer?
Clear advantages over cloud-based services
| Criteria | Mosaicizer | Cloud services |
|---|---|---|
| Data transfer | No transfer | Server upload |
| Processing speed | Instant (local) | Network-dependent |
| Offline use | Supported | Not supported |
| Cost | Free | Usage-based billing |
| Privacy | 100% guaranteed | Depends on service policies |
| Installation | Not required | Account required |
Built with cutting-edge web tech
A stack that delivers native-class performance in the browser
YOLO11
State-of-the-art object detection model
ONNX Runtime
High-performance AI inference
WebNN
Web neural network acceleration
WebAssembly
Near-native performance
Technical architecture
It only takes 5 seconds
An intuitive interface anyone can use
Upload your image
Drag and drop or click to upload an image
Automatic face detection
AI automatically finds and highlights all faces
Selective mosaic
Select faces to exclude from mosaic
Choose effect & download
Choose blur or mosaic and download instantly
Get started now
No install, no account, completely free—protect privacy with face de-identification