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AdGuard Browser ExtensionGhostery
Free

The browser extension is free to install.

 Freemium

The blocker is free and open source. Ghostery's contributor plan and extra services are…

Browser extension Browser extension
  • Blocks ads, pop-ups and trackers
  • Cosmetic filtering hides leftover page elements
  • Names the trackers on each page and who owns them
  • Blocks cookie consent dialogs as well as ads and trackers
  • Only filters inside the browser, not other apps
  • System-wide filtering requires AdGuard's separate apps
  • The company's earlier advertising-related business model still makes some people wary
  • Extra features such as private search need an account or subscription
Browser extension Browser extension
Open source Open source
License: GPL-3.0 License: MPL-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.