Certain

Fact check directly in your browser

Certain is a browser extension designed to help you assess information while browsing the web. With Certain, you can quickly check content without interrupting your browsing experience. Whether you're researching a topic, reading an article, or exploring information online, Certain provides a convenient way to take a closer look at what you're reading. Why use Certain? Convenient browser access — Open Certain directly from your Chrome toolbar. Simple, easy-to-use UI — Check information without navigating through complicated tools. Integrated with your account — Sign in securely to access Certain's features. Designed for everyday browsing — Use Certain alongside your normal online activities. How to get started Install the Certain Chrome extension. Sign in or create your Certain account. Open the extension while browsing to start checking information. Certain is designed to support more informed browsing by making information checking easier and more accessible. Important: Certain is an informational tool. Its results should be considered alongside original sources and independent verification, particularly for important decisions.