Selection GPT is a Chrome extension designed to simplify text processing while browsing. This tool allows users to select text and generate various outputs using the capabilities of ChatGPT. With one-click functionality, users can create summaries, review quizzes, or respond to custom prompts, enhancing their reading and comprehension experience.

To use Selection GPT, users must insert their own OpenAI API key, which can be obtained from the OpenAI platform. This requirement provides a personalized experience while ensuring that users can utilize the powerful language processing abilities of ChatGPT effectively. The extension is free to use and falls under the category of add-ons and tools for browsers, making it accessible for anyone looking to improve their online reading workflow.