If you have ever downloaded a document, filled out a tax form, or received a resume via email, you have likely used Adobe Reader. For decades, it has been the standard tool for opening PDF files.

You do not need to pay for Adobe Reader to open, read, annotate, or sign PDFs. The software is genuinely free for these core tasks. However, if you need to edit text or convert files to other formats, you will need to purchase a subscription to Adobe Acrobat Pro or switch to a different free alternative. Just be careful not to click the "Start Free Trial" buttons, and you will never be charged.

The short answer is However, the "catch" lies in what you cannot do with the free version and how Adobe markets its paid subscription services.