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We may receive a commission on purchases made from links. Some people prefer ebooks over physical copies for the ease of collecting and commuting with them. There are a bunch of different formats in ...

If you rely on a Kindle (or Kindle app) for reading, you probably know that it supports not only ebooks, but also PDFs. In fact, if you’ve done your homework, you also know that your Kindle (or Kindle ...

“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me. Any help ...