How to Change Font Size in PDF Fillable Form? (3 Workable Ways)

Would you like to know how to change font size in PDF fillable form? Customizing or changing the font sizes in Fillable PDF forms is not an easy task as changing font size in normal PDF files. Therefore, pay close attention to this guide that shows you how to change font size on a fillable PDF form.

Part 1. How to Change Font Size on a Fillable PDF Form with UPDF?

UPDF is a powerful tool tailored for PDF editing, especially when it comes to adjusting font sizes in fillable PDF forms. What sets UPDF apart is that it not only can modify font size in the fillable fields of a PDF, but it also supports editing the content font size in non-fillable sections. Moreover, UPDF offers users the flexibility to customize their documents further, with features to alter font color, type, and more. Whether you want to change font size in fillable PDF or make a few adjustments in the main content of your document, UPDF ensures your text adjustments are seamless and professional.

Way 1. Change Font Size in Fillable PDF

If you just want to change the font size in the non-fillable section of the fillable PDF,you can follow the below steps to do it.

Step 1. Click the below button to download the UPDF software onto your computer. Follow the installation instructions until the software is installed successfully on your device.

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Step 2: Launch the UPDF software from your desktop.

Step 3: Tap on the "Open File" tab on the UPDF software. A window pops up, granting you access to several folders on your computer.

Step 4. Locate the folder in which the fillable PDF form is and open it. Find the fillable PDF form and tap on it to open on the UPDF.

Step 5. On the left side panel, you can access a set of tools to use. Click the "Edit PDF" Then click on the text whose font sizes you want to change. Dashed lines will appear around the group of text whose font sizes you want to change.

edit fillable pdf form

Step 4. Highlight the group of text whose font sizes you want to change, and choose the new font size you desire from the dropdown or input it manually into the input box.

change font size in pdf fillable form

Step 5: Click anywhere beyond in order to see the changes you just made. If you are satisfied with these changes, save the fillable PDF by clicking "File" and then "Save" or "Save As" as a new file.

Way 2. Change Font Size in Fillable Field

If you want to change the font size for the content in the fillable field, you can also do it with UPDF. Just follow the below guide.

Step 1. Download the UPDF software with the below button. Launch the UPDF tool and click "Open File" in order to open the fillable PDF directly.

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Step 2. On the toolbar, which is located down the left-hand side of the UPDF software, you will see an option like "Prepare Form" Click on the icon in order to enter the form editing mode.

Step 3. Now, double click on the fillable PDF form field and you will see the properties menus at the right side panel.

Step 4. Click on the "Style", select the desired font size you need or enter the number directly to update. You can repeat the same changes for other fillable PDF fields.

change font size in pdf fillable filed

Step 5. When you do all changes, click "File" > "Save" to save the changes. Voila! You have successfully completed another method of changing the font sizes in a fillable PDF.

What Else UPDF Can Do For You?

Now that you know the process of changing font sizes in fillable PDF forms, it is worth noting that there are other remarkable features that UPDF brings to the table. The software is not limited to editing just text font size in PDF forms; it comes with an extensive range of functionalities any one can use for diverse PDF-related tasks, such as:

  • PDF Conversion: UPDF allows users to convert their PDFs into various formats such as Word, Excel, and PowerPoint, and vice versa. This feature ensures users can quickly switch between different formats with zero hassles.
  • Secure Encryption: For those concerned about the privacy and security of their PDF documents, UPDF offers robust encryption features. You can password-protect your files, ensuring that only authorized personnel can access them.
  • Annotation & Commenting: UPDF provides comprehensive annotation tools, including highlighting, underlining, and adding comments. These features are ideal for collaborative tasks, allowing teams to communicate seamlessly within the document.
  • ChatGPT: With ChatGPT integration, you can translate, summarize, explain, write, rewrite, and do anything you want with correct prompt.
  • OCR: You can convert scanned PDF files into editable PDF or other formats like word, excel, ppt, and more.
  • ...

Lastly, UPDF's development team is constantly at work, rolling out regular updates in order to enhance functionality, introduce new features, and fix any potential bugs. This commitment ensures that users always have a top-notch experience each time they use the software.

Therefore, unlock the full potential of UPDF and boost your document-editing experience. Download and purchase UPDF here.

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Part 2. How to Change Font Size in Fillable PDF with Adobe Acrobat?

Although UPDF is a great tool to change font size in fillable PDF forms, you may need to use Adobe Acrobat as you already bought the license for it. In that case, no worry, we also have the guide for you here.

Before you start, you need to note that this method is to change the font size in fillable fields in PDF.

Step 1. Launch the Adobe Acrobat tool and open the fillable PDF form whose font sizes you want to change.

Step 2. Take your cursor to the top-left corner of the form and click on "Tools," as seen below. An interface revealing several icons pop up on your screen.

Step 3. Scroll down and click on one of the icons "Prepare Form." This action highlights all the fillable parts of the PDF, as seen below:

click prepare form by adobe acrobat

Step 4. Click to select on fillable filed, Right-click on it, and when the drop-down menu appears, scroll up and click on "Properties," as seen below:

click on properties on adobe acrobat

Step 5. A window pops up, bearing the title: "Text Field Properties," with a row of tabs arranged sequentially: General, Appearance, Position, Options, Actions, Format, Validate, Calculate.

Step 6. Click on the "Appearance" tab, scroll down to the section titled "Font Size: Auto", with an arrow pointing downward. Click on it to select the font size you prefer.

change font size on adobe acrobat

Step 7. Click on the blue "Preview" button at the upper right corner of the PDF form to check the effect of the changing.

click on preview on adobe acrobat

Step 8. If you are satisfied, navigate to the top left, click on "File" > "Save", or "Save As,"  to finish changing font size in fillable PDF forms with Adobe Acrobat.

Part 3. How to Change Font Size in PDF Form Online With Sejda

For those who do not want to download any software but want to change font size, you can use Sejda which can help you change font size in PDF form online.

Sejda is a cutting-edge online platform that streamlines the process of editing, signing, and sharing PDF documents. This section covers how to change font size in PDF form online using this robust tool.

Step 1. Navigate to the Sejda official website using your preferred web browser.

Step 2. Click on the "Upload PDF file" button on the home page and click on the PDF form that you want to change font size to upload.

Step 3. After uploading, the document opens in the Sejda editor. If you want to change the font size in non fillable section, you can click on the "Text" icon at the top menu, double click on the content that you want to change the font size for, select the font size in the pop up menu to change the font size.

change the font size on sejda

Step 4. If you need to change the font size in fillable PDF field, you can click on the "Forms" > "Make fields editable".

make fileds fillable on sejda

Now, you can click on the field that you want to change the font size, then, you can see the font size adjustment menu, click on it to select the font size you need.

change font size on sejda

Step 5. When you finish all these changes, you can click on "Apply Changes" at the bottom to save and download the fillable PDF forms to your computer.

Part 4. FAQS About Changing Font Size in PDF Fillable Form

Q1. What is the default font for fillable PDFs?

To determine the default font for fillable PDFs, you can use UPDF, launch the UPDF software. Then open your fillable PDF into UPDF. Click on "Edit PDF" and double click on any content in the fillable PDFs. Now, you can see the default font at the top pop up menu.

Q2. How do I change the font size in a PDF fillable form on a Mac?

Changing the font size in a PDF fillable form on a Mac is practically straightforward if you use UPDF. Launch UPDF on your Mac and open the fillable PDF form whose font size you want to change. Select the "Edit PDF" option from the main toolbar. Double click on the test that you want to change the font size, choose the font size you desire, and then save the PDF in order to retain the changes made. This is how to change font size in pdf form on Mac.

Final Words

Understanding how to change font size in PDF fillable form is essential. Here, we show you three methods. Each method can work well for you in different cases. However, for a seamless and user-friendly experience in PDF editing, consider giving UPDF a try. It can help you change the text font size in fillable and non fillable section. Moreover, it can offers almost all PDF handling features you need. Download UPDF now and elevate your PDF editing game.

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