WriteSharp is an intelligent Chrome extension designed to enhance the clarity and professionalism of your online writing. It refines selected text on supported webpages, provides a side-by-side comparison of the original and improved text, and allows for easy editing and one-click insertion of the refined text. WriteSharp also supports custom prompts for tailored text improvements and ensures privacy with local text processing and secure API key management. It's perfect for professionals, students, content creators, non-native English speakers, and anyone looking to communicate more effectively online, requiring an OpenAI API key to function.