In this article, we will show you how to add a text box to PDF using a free software and an online tool on Windows 11/10. If you need to add some important note to your PDF file, then the options ...

With some extra work, you can add text to PDF files that aren't fillable by selecting the "Show Markup Toolbar" button, which resembles a pen tip in a circle, on the Preview toolbar.

PDF Replacer free version can replace text in a PDF file, keeping the original PDF layout. If you have a PDF file that is of less than 100 pages, you can use this tool without paying anything.

Adding Text Notes to a PDF Select the Text Box tool from the Drawing Markups panel. Click, or click and drag, on your document to add a box with a colored border, and type your observations in it.