@Filter is a free browser extension that filters unwanted content across the web using keyword matching. It works on Chrome, Firefox, and Edge to give you a cleaner, more focused browsing experience without compromising your privacy.

@Filter scans headlines and page content for keywords you want to avoid and hides matching elements. All filtering happens locally in your browser. Your anonymous filtering choices power @Map™, the global sentiment platform.

Absolutely. @Filter processes everything locally in your browser. We don't collect browsing data, don't track your activity, and don't sell any information. The extension requires minimal permissions.

The @Filter Signal Engine API is used by security analysts, content moderators, digital consultants, and researchers who need programmatic access to content filtering intelligence. See our pricing at atfilter.com/api-pricing.

For extension support, visit our GitHub repository to file issues or join community discussions. For API customers, support is available via email.