Chrome extension

Screen Gatekeeper

A tiny animated menace that forces useful breaks before scrolling turns into a time sink.

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Screen Gatekeeper break overlay on a distracting site

Built for real friction, not gentle nudges.

Set a usage limit, choose your target sites, and let the gatekeeper take over when time runs out. It is local-first, simple, and deliberately hard to ignore.

Tracks active time on selected sites
Drops a full-page animated Shiba break overlay
Supports custom user-added sites
Stores settings and timer state locally
No account, no ads, no analytics
Custom gatekeepers from local WebM, PNG, or WebP files
Screen Gatekeeper popup settings

Supported sites

YouTubeRedditX / TwitterFacebookThreadsBluesky

You can also add custom sites. Chrome will ask for permission before Screen Gatekeeper runs on a custom domain.