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JSK Shield

JSK Shield is a free, open-source ad and tracker blocker for Chrome, Edge and Firefox, licensed under GPL-3.0. It blocks ads, tracking scripts and consent-banner clutter using EasyList, EasyPrivacy and cookie-notice filters, and it starts working the moment you install it.

JSK Shield screenshot 1

Cost / License

  • Freemium (Pay once or Subscription)
  • Open Source (GPL-3.0)

Application type

Platforms

  • Google Chrome
  • Mozilla Firefox
  • Microsoft Edge
JSK Shield screenshot 1
JSK Shield screenshot 2
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JSK Shield screenshot 3
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Features

Properties

  1.  Privacy focused

Features

  1.  Block Trackers
  2.  Ad-free
  3.  No registration required
  4.  No Tracking
  5.  Browser extension

 Tags

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JSK Shield information

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Web Browsers

GitHub repository

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What is JSK Shield?

JSK Shield is a free, open-source ad and tracker blocker for Chrome, Edge and Firefox, licensed under GPL-3.0. It blocks ads, tracking scripts and consent-banner clutter using EasyList, EasyPrivacy and cookie-notice filters, and it starts working the moment you install it. No account, no sign-up, no configuration.

Most blockers ask you to trust them. JSK Shield lets you check. It runs entirely on your device and there is no server for your data to go to, so there is no analytics and no telemetry. There is also no paid allowlist: no advertiser can pay to have their ads let through.

Where it is genuinely different is breakage. Every other blocker shows you a count. JSK Shield shows you the request that was blocked, the exact filter rule that matched it, and the list that rule came from, and gives you a one-click way to allow just that one request on just that one site. When a page does break, guided recovery offers the least destructive fix first: allow one request, then turn off element hiding while keeping ads blocked, and only then pause the site.

Network blocking needs no permission to read the pages you visit. You grant per-site access only for the extras that need it. It also strips tracking parameters from links, and filter updates arrive between store releases, cryptographically signed.