Blur Faces in Video
100% free
No upload — on-device
No watermark
AI on-device
Anonymize people automatically: an on-device AI model finds every face frame by frame and applies an elliptical blur. Nothing is uploaded anywhere.
Per-frame AI detection
A neural face detector runs on every frame in WebAssembly, so faces stay blurred even as people move.
Elliptical, padded masks
Masks extend beyond the detection box and use a soft elliptical clip, so hairlines and chins stay covered.
Privacy by architecture
The whole point is anonymity — so the processing itself never leaves your machine.
Frequently asked questions
Does it track faces between frames?
Detection runs on every frame; brief single-frame dropouts are bridged with the last known positions.
Why is there a 30-second cap?
Per-frame neural inference is heavy. Split longer footage with Trim Video first, then blur each part.
Can I choose the blur amount?
Yes — light, medium, or strong.