JSK Shield

Ad blocker for Chrome, Edge and Firefox that shows exactly which rule blocked each request.

Browser extensionfreeglobal

JSK Shield is an open-source ad and tracker blocker for Chrome, Edge and Firefox. Rather than a bare block count, it shows the specific request it blocked and the rule that matched, so a user can unblock just that one request when a page breaks. It's built for people who want to understand and control their ad blocking, not just switch it off.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of JSK Shield - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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