ScholarTurbo is a ChatGPT-based online tool that enables uploading and querying PDF documents. It leverages the powerful GPT-4 (for paying users) or GPT-3.5 (for free users) models to help users extract information from PDF documents and answer their questions. ScholarTurbo supports multiple languages, provides secure and reliable file storage, and offers flexible pricing plans to suit different needs. Whether students, researchers, or educators, ScholarTurbo provides an efficient and convenient PDF question answering service.