This tool, called BrainyPDF, is like a smart computer program that you can use for free. It can help you with PDF files, which are a type of document. If you’re a student, researcher, or professional, you can use this tool to quickly find information in PDFs, answer questions, and study for exams. It works in any language and anywhere in the world. When it gives you an answer, it also tells you where it found that information in the original PDF. It’s really fast, easy to use, and keeps your files safe in a special storage place in the cloud.

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