A privacy-first web browser that blocks ads and trackers by default while offering extensive customization, without collecting or monetizing user data.
Last updated Feb 21, 2026 by AI Enrichment
Niche privacy-focused browser alternative to mainstream ad-supported browsers
Vivaldi Technologies is a browser company founded by former Opera Software co-founder and CEO Jon von Tetzchner. The company develops the Vivaldi web browser, which is built on Chromium and emphasizes user privacy, customization, and built-in features including native ad-blocking and tracker-blocking capabilities. While not a traditional AdTech company, Vivaldi is relevant to the advertising ecosystem as it represents the browser-based ad-blocking movement that impacts how ads are delivered and consumed online. Vivaldi's business model is unique in that it offers a free browser while maintaining a strong anti-tracking and anti-advertising stance. The company generates revenue through search engine partnerships and other non-advertising means, explicitly avoiding user data collection and ad-based monetization. This positions Vivaldi as a challenger to the dominant ad-supported browser ecosystem controlled by companies like Google Chrome. The browser includes built-in ad and tracker blocking, does not collect user data, and offers extensive customization options. Vivaldi has carved out a niche market among privacy-conscious users and power users who want more control over their browsing experience without being subject to behavioral advertising or tracking.
Chromium-based web browser with built-in ad-blocking, tracker-blocking, and extensive customization features
Built-in email client integrated into the browser
Integrated calendar functionality within the browser
Built-in RSS feed reader for content aggregation