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.

This post helps you add watermark to PDF in Windows 11/10 computer using free tools. You can add text watermark and image watermark to PDF.

That said, free users can make certain changes to PDF files without a paid plan. As a free user, you can add comments, highlight sections, draw on a document, add new text, and sign documents.

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.

Best free PDF editors for Mac Need to edit or fill in a PDF and don't want to pay? Add signatures, combine pages, rotate pages, reduce file size, convert PDFs and more with these Free PDF editors.

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.