The Instant Multilingual PDFH extension is designed for easy translation of text within PDF, HTML, and TXT files. Users simply select the text they want to translate, and the tool does the rest in just two clicks. It’s compatible with local documents, making it versatile for personal or professional use. The addition of ChatGPT support enhances its capability, allowing for more nuanced translations and definitions. This tool aims to simplify the process of understanding foreign language documents without the need for tedious manual translation.