In other words, Adobe Reader won't let you add text. What you need is a program that's a little more accommodating, PDF-wise. Try Foxit Reader 4.3, which allows you to add text to any PDF.

Create PDFs from Text files easily. Using TXT2PDF you can convert TXT to PDF with a simple Drag and Drop action on Windows 11/10.

Google’s web-based document editor can now convert the text inside your PDFs and images into text you can edit. When you upload a file to Google Docs, you’ll see the option to “Convert text ...

You can convert Plain Text to Musical Notation PDF in Windows 11/10 using this free software called LilyPond. Create high-quality sheet music!

If you're wanting to convert an image into text, Google Docs has a powerful Optical Character Recognition feature built right in. Here's how to make it work.

Have a PDF you need to edit more easily? Here are a few options for converting, plus some security advice.