What is the best free AI pdf summarizer for Windows users? (opens in new tab)

Long PDF files, such as reports, manuals, school notes, and long articles, can take a lot of time to read. A PDF summarizer would be helpful for getting the main points quickly before reading the full document.The challenge is that there are many AI tools for PDF summaries, but some are paid, some have file size limits, and some may not handle scanned PDFs very well. Copilot AI is already available on Windows and Microsoft Edge, so it looks like a convenient free option.Is Copilot a good free...