Proofreader GPT is a toolkit designed specifically to assist writers in manuscript editing tasks. The tool, built atop ChatGPT, utilizes the functionalities of AI-driven language processing, targeting the common challenges writers face when proofreading and refining their manuscripts. The Proofreader GPT tool offers a range of features to smoothen the editing experience for writers. It aids in identifying errors, checking manuscripts for consistency, improving story flow, and suggesting better word choices. It also smoothly handles complex text structures, ensuring a comprehensive proof-reading experience. With the help of the powerful GPT model, the Proofreader GPT tools offer guidance to the writer enhancing the quality of the manuscript while making the process efficient. It is important to note that usage of Proofreader GPT requires having access to ChatGPT Plus. Given its unique abilities to provide pertinent literary input, Proofreader GPT simplifies the editing process and enables writers to concentrate more on crafting their creative content.