WhatsApp Privacy Filter is a subscription-based browser extension designed for Firefox, focused on enhancing user privacy while using Web WhatsApp. This tool offers a unique blurring feature that allows users to selectively obscure various elements of their messaging interface, ensuring that sensitive information remains private. Key customizable settings include the ability to blur recent message headers, avatars, timestamps, senders, content, ticks, and chat box titles to a user-defined percentage, providing flexibility in how much information is displayed.

In addition to its blurring capabilities, WhatsApp Privacy Filter enhances the overall user experience with a full-screen option that eliminates padding, allowing for a more immersive interaction. Users can also easily pop out WhatsApp into a separate window for convenience. Overall, this extension offers a practical solution for those seeking to maintain privacy while engaging in online conversations.