Adding text fields and other form elements to create editable PDF forms in Adobe Acrobat Professional XI is a straightforward process. These elements create an interactive document that is ...

LibreOffice Writer can create fillable PDFs from scratch with built-in tools. Start by opening a blank document and adding form fields using the Form Controls and Form Design toolbars. To export as an ...

Adobe describes an alternative approach to changing the font size in a PDF that works on Acrobat 2017, 2020 and DC. It changes the default font for "Add Text" and general text editing features.

This post helps to add a text box to PDF using a free software and an online tool. You can adjust the size of text box, text style, etc.

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.

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.

macOS added an option to try to identify fields in a PDF form so you can easily enter text or check boxes.