Liner ChatGPT AI Copilot is a powerful Chrome extension designed to elevate the web browsing experience. It integrates seamlessly with websites, YouTube, and PDF documents, enabling users to engage with content in a more interactive way. Powered by GPT-4o, it offers features like live discussions, summarization, and easy access to information, aiding users in research and learning. Whether translating text or simplifying complex ideas, Liner aims to boost productivity and enhance understanding.