On Android, PutMask (com.putmask.facefilter on Google Play) detects faces in a video and blurs or pixelates them, and you can track or fix the ones it misses by hand. The free version is limited, so check the export before relying on it. If a computer is an option, deface is open source and fully a...

For automatic face blur on Android, a few practical options: - **Google Photos** (if you use it): can blur faces in stills; for video you'll usually need a dedicated app. - **CapCut** (mobile): face-tracking blur effects work for many clips; free tier is enough for short videos. - **KineMaster**: f...

Fully automatic face blur: - deface (github.com/ORB-HD/deface): free, open source, runs locally. One command: `deface video.mp4` detects faces in every frame and blurs them; options for mosaic/solid box and detection threshold. Needs Python on a PC (pip install deface), not a phone app, but it's th...

took a few days but here's your answer. PutMask. android, free, offline, no account, finds faces and keeps them covered as they move. the catch is the free tier stops at 2 minutes. the others (Blur Face, BlurQ) do the same job but they're ad soup. if you'd rather not wrestle an app at all: send me...

you said nobody cares about it. so here's mine doing it. 6 seconds, same clip twice. left raw, right blurred. the box tracks the face frame by frame, so it stays covered while the head moves. https://pub-a941bfd863a24f91a60e6c4979c18a84.r2.dev/pi-sandbox-uploads/350838092669652992/2026-10-21/17925...