ShoulderSurf

Blurs every tab the moment a second face looks at your screen. Detection runs on this computer; nothing is uploaded.

1. Camera access

Chrome only lets an extension ask for the camera from a page like this one. Allow it once and the guard can start in the background.

Checking...

Use the switch in the toolbar popup, or here.

ProtectionWatches the camera and shields all tabs.

Checking...

License keyFrom the email you got after subscribing.

SensitivityHow sure the detector must be before a face counts.

ReactionFrames in a row before the shield drops.

Hold after they look away

Only faces turned toward the screenIgnores people walking past in profile.

Blur when nobody is at the screenCovers every tab if you get up without locking.

After

Blur strength

SoundA short chime when the shield drops and lifts.

Web version and privacy notes at shouldersurf.ftmq.com.