Truth Chalk is a Chrome extension developed by Northwestern. It is a free tool that allows users to select and mark text on websites they are visiting. Aimed at those who want to share their opinions on web content, Truth Chalk provides a convenient way to annotate and vote on selected text.

With Truth Chalk, users can easily identify false or misleading information and express their agreement or disagreement with a simple vote. This extension is particularly useful when encountering unreliable posts or articles that may spread misinformation.

Currently in a testing version, Truth Chalk is compatible with popular websites such as Twitter, Disqus, CNN, FoxNews, Huffington Post, and Yahoo News! This extension provides users with a powerful tool to engage with online content and contribute to a more informed online community.