PublisherLens

PublisherLens is a free online platform designed to deliver transparency and smart analytics for the ad ecosystem. At its core, PublisherLens parses IAB sellers.json files from major ad platforms to build detailed profiles, map seller relationships, and surface transparency metrics. If you’ve ever wondered “who’s selling, what are they selling, and how do these platforms connect?”—PublisherLens is built to answer those questions and help you spot both opportunities and risks in the supply chain.

The platform spans 25+ ad platforms and a million sellers, providing unified search, comparison, and actionable insights. Instantly look up or compare platforms by transparency, seller volume, and compliance, and visualize complex reselling relationships. PublisherLens delivers not just data, but clear recommendations for prioritizing platforms, streamlining supply paths, and spotting risks.