If you have any PDF file containing text or scanned text images, you can convert it into a word document, absolutely free. No matter how big a file it is. Generally, online tools and software require money to convert it or convert it in limited pages.
Now see how it is possible.
You require a Gmail account for this, which is not a big deal now a day, almost all people have a Gmail account currently.
So, upload your PDF file into your Google Drive, then open it in Google doc and then download it as a .docx file. You can see that the PDF file has been converted into a word document.
Steps-
1. In Google drive --->New ----> File Upload