In an age of information overload, efficiently acquiring knowledge has become a challenge for many learners and professionals. Recently, an open-source tool named PDF2Audio has emerged, cleverly combining artificial intelligence technology with traditional reading methods to provide users with a new way of obtaining information. The core function of PDF2Audio is to convert PDF documents into audio content. This tool utilizes OpenAI's GPT model for text generation and speech synthesis, allowing various PDF files to be transformed into podcasts, lectures, or excerpts.