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PDF Editing Issues

How to Add a Text Box to a PDF in Mobile Apps

John WilsonJohn Wilson Oct 18, 2026 869 views

Question details

The user wants to insert a text box into a PDF document using a mobile application but can only find a basic text tool.

How to Add a Text Box to a PDF in Mobile Apps
Product
PDF Mobile App
Device & OS
not provided
Scenario
Editing a PDF document on a mobile device to add boxed text annotations.
Observed behavior
The user is unable to locate the specific text box function, only seeing options for inserting simple floating text without a visible box.
Before you start

Before making changes, ensure your PDF document is not restricted or password-protected against editing and annotations. It's also recommended to save a backup copy of the original file.

Solution 1Recommended

Use Annotation and Comment Tools in Your Mobile App

Many mobile PDF readers hide the text box feature within the commenting or annotation menus rather than the main edit menu.

In many simplified mobile apps, the primary 'Edit Text' tool is designed only to alter existing document text or add simple typewriter text. To add an actual bounded text box, you typically need to look for annotation tools.

1
Open the PDF File

Launch your mobile PDF app and open the document you wish to edit.

2
Access the Tools Menu

Look for the 'Tools', 'Annotate', or 'Comment' icon, typically located at the bottom navigation bar or in a top dropdown menu.

3
Select the Text Box Tool

Tap on the 'Text Box' icon (often represented by a 'T' inside a square outline). If your app only provides a basic text tool, you may need to use a rectangle shape tool and place text over it as a workaround.

4
Insert and Format

Tap on the document page where you want the text box to appear, type your text, and adjust the borders or background color using the pop-up formatting toolbar.

Use Annotation and Comment Tools in Your Mobile App
App Limitations: Some built-in mobile PDF viewers only provide a basic 'Typewriter' tool instead of a fully formatted text box. If you cannot find the text box icon, you may need a more advanced app.
Advanced PDF Editing Made Easy

Easily Add Text Boxes and Edit PDFs with WPS Office

WPS Office provides a comprehensive PDF editor on both desktop and mobile platforms, making it incredibly simple to add text boxes, annotate, and fully edit your PDF files on the go.

  1. 1. Open your PDF: Launch the WPS Office app and open your PDF document.
  2. 2. Go to the Comment Tab: Navigate to the 'Comment' tab on the top ribbon (or the 'Tools' menu on the mobile app).
  3. 3. Select Text Box: Tap or click on the 'Text Box' icon, then click exactly where you want to place it on the PDF page.
  4. 4. Type and Format: Enter your text inside the box. Use the floating properties panel to easily change the font, text color, box border, and fill color.
Dedicated Text Box tool with customizable borders, fonts, and background colors.Seamlessly edit PDF text, images, and pages as easily as a Word document.Highly compatible with standard PDF formats and Microsoft Office files.Available across Windows, Mac, Android, and iOS devices for seamless cross-platform editing.
microsoft office alternative - wps office

Frequently Asked Questions

Why does my mobile PDF app only have a simple text tool?

Many basic or pre-installed mobile PDF readers offer a simplified toolset focused primarily on viewing documents. Features like customizable text boxes are often reserved for advanced annotation tools or full-featured PDF editing apps.

Can I change the border and background color of a text box on a mobile device?

Yes, provided your mobile PDF app supports full text box properties. After inserting the text box, tap on it to reveal a formatting toolbar where you can adjust the border style, thickness, and background fill color.

Is there a difference between the Typewriter tool and a Text Box?

Yes. A Typewriter tool adds simple, floating text directly over the document background. A Text Box tool inserts a distinct rectangular shape that contains your text, allowing you to format the box's borders and background color separately.

Will the text boxes I add on mobile be visible when opened on a computer?

Yes, as long as the text boxes are saved as standard PDF annotations. Always make sure to tap 'Save' or 'Done' before closing the document to ensure your annotations are embedded and compatible across different devices.