The website ChatPDF offers users the functionality of ChatGPT for Google, a browser extension that enhances search engine capabilities. ChatGPT is a language model developed by OpenAI, trained on a vast amount of internet text data to generate human-like text. It can perform various natural language processing tasks such as translation, summarization, and completion.

ChatGPT for Google is designed to display ChatGPT responses alongside regular search engine results. With the ability to compare responses from ChatGPT, GPT-4, Google Bard, and Claude on a single page, it enhances the overall search experience. Trusted by over 2 million users, the extension is available for Chrome and Microsoft Edge browsers.

The extension supports popular AI models including GPT-3.5, GPT-4, Google Bard, and Claude. It is free to use and supports multiple search engines such as Google, Baidu, Bing, DuckDuckGo, Brave, Yahoo, Naver, Yandex, Kagi, and Searx.

To utilize ChatGPT for Google, users need to have a ChatGPT account, which can be created for free at chat.openai.com. The extension allows users to summarize YouTube videos efficiently, condensing and interpreting vital points from videos to enhance the viewing experience and save time.

In addition to ChatGPT functionality, ChatPDF offers various AI tools such as GPT-4AI, Image Generator, and AI Detector. It also provides productivity tools like Search Agent, Writing Agent, Parallel Translate, Grammar Checker, and Email Reply. ImageTools enable users to remove backgrounds, text, objects, and brush areas, as well as upscale images and change backgrounds. PDFTools allow conversion to different formats and offer AI Resume Checker, AI Resume Scanner, and Invoice Scanner features.

For more information and updates, users can contact ChatPDF through Twitter, Github, or the ChatGPT Chrome Extension. The website also provides privacy policy and terms & conditions sections to ensure user data protection and adherence to legal regulations.