One of the most popular ways to insert a text box using Google Docs' Drawing feature. With it, you create the text box, customize its appearance, and add it to your document to use like an image.

Within Google Docs there is a pop-up version of Google Draw that allows you to insert shapes, text boxes and drawings into your document. Here’s how to add a text box in just a few steps: ...

Google Docs in particular is a highly customizable word processing program with no shortage of formatting and layout options, including the ability to add text boxes.

Google Docs offers interesting editing tricks, but caption support isn't among them. Alternative solutions include tables, drawings, inline text, and add-on features.

How to create text boxes from the Google Drawing app The Google Drawings app is a dedicated version of the integrated Drawing tool in Google Docs. It's handy if you're creating a more advanced ...

Learn how to display text set apart from your main document in Google Docs with either a table or an inserted drawing.

If you want to add a Text Box in Google Docs then you can use the Drawing option & Single cell table, & change font, border width, background color, etc.

While you're writing in the box, a Format tab will appear in the top taskbar, which you can use to customize the box's text (font, character size, etc.) independently of the regular document's text.