How do I change the font or size of text in an Adobe Acrobat PDF?

First, click 'Edit' in the top menu bar. Then, click on the text you want to change. Acrobat will highlight it. Now you can see options to change the font type, its size, and even the color or alignment of the text. Choose your new font or size from the tools that appear.

How can I make sure new text I add to a PDF matches the existing text style?

Always try to use the exact same font, size, and color as the surrounding text. If the original font is not available, choose a common font like Arial or Times New Roman. For scanned documents, sometimes adding a new text box on top of the image can keep the original layout cleaner than trying to convert the whole page.

Edit For Clarity in Adobe Acrobat — How-to & AI prompts

AI prompts

2 ways to ask · copy any one

AExecute — “help me do it”Reword or flag ambiguous sentences and awkward constructions in the draft so readers aren't…+

Reword or flag ambiguous sentences and awkward constructions in the draft so readers aren't confused and reporters can clarify sources; insert suggested rewrites and margin queries where clarification is needed.

when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.

BImprove — “do it better”Before finalizing, group ambiguities by severity, offer concise rewrite options that preserve…+

Before finalizing, group ambiguities by severity, offer concise rewrite options that preserve original sourcing, and list queries that reporters must answer to avoid introducing factual errors when copy moves to press.

when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.

How to do it

the tool · the steps · what to avoid

1
Open your PDF file in Adobe Acrobat.
2
Select the Edit PDF tool from the right pane or the toolbar.
3
Click on the text you want to edit in the PDF.
4
Type to add, delete, or change the text as needed.
5
Click outside the text box or press Esc to finish editing.
6
Save the PDF to keep your changes.
Best practiceIf you notice formatting issues after editing, try adjusting the font size or spacing for better alignment.

In the appWith the API

You can undo text edits immediately by pressing Ctrl+Z or using the Undo option in the Edit menu.

This runs in the Acrobat app - there is no separate API for this task.

Glossary

words on this page

OCROCR stands for Optical Character Recognition. It is technology that turns images of text into real text you can search and copy.ExampleAfter scanning a paper invoice, OCR allows you to copy the vendor's name from the image.

Embed fontsEmbedding fonts means including the font file inside the PDF so it looks the same on any computer.

Global barThe global bar is the main menu area at the top of the Acrobat window.

Who does this

3 roles

Administrative AssistantContent EditorLegal Secretary

FAQ

about this task

First, click 'Edit' in the top menu bar.
Then, click on the text you want to change. Acrobat will highlight it.
Now you can see options to change the font type, its size, and even the color or alignment of the text.
Choose your new font or size from the tools that appear.

Acrobat needs the font to be installed on your computer, not just embedded in the PDF. Even if the font is in the PDF, your computer must recognize it to let you edit with it. To fix this, you can install the missing font from sources like Google Fonts, activate it through Adobe Fonts, or use the 'Preflight' tool under 'Print Production' to embed missing fonts more deeply.

When you edit a scanned PDF, Acrobat first runs OCR to turn the image text into editable text. It's very important to proofread this OCR output carefully. OCR can make mistakes, especially with similar-looking characters like '0' and 'O' or '1' and 'l'. Always check names, dates, and numbers to ensure they are correct after editing.

Always try to use the exact same font, size, and color as the surrounding text.
If the original font is not available, choose a common font like Arial or Times New Roman.
For scanned documents, sometimes adding a new text box on top of the image can keep the original layout cleaner than trying to convert the whole page.

For complex layouts in scanned PDFs, directly converting the whole page to editable text can sometimes mess up the original design. Adding a new text box on top allows you to place your changes precisely without disturbing the existing elements. This method helps preserve the document's original look and feel, especially when you only need to make small, isolated changes.

Edit For Clarity

When to use it

AI prompts

How to do it

Glossary

The real tasks

Who does this

FAQ

Sources

Adobe help

Video

Other guides

When it fails