JSK Shield

JSK Shield is an open-source ad and tracker blocker for Chrome, Edge and Firefox (GPL-3.0).

Every other blocker shows you a count. JSK Shield shows you the request it blocked, the exact rule that matched, and the list that rule came from — then lets you allow just that one request on that one site, instead of switching protection off for the whole page.

When a page breaks, guided recovery tries the least destructive fix first: unblock the single request, then turn off element hiding, then pause on that site. In that order, so you keep as much protection as the page will tolerate.

Everything runs on your device. No telemetry, no account needed to block, and no paid allowlist — nobody can buy their way past it.

Blocking is free forever. An optional Family plan adds parental controls, with a 7-day trial.