This post will show you how to convert a PDF document to a fillable form in LibreOffice. A PDF can be used as a file to create a form with blank fields like text areas.

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.

Details about how to create text boxes using Preview are included in a previous article. Use your Signature in the Mail app Open a PDF that you have signed.