Aug 15, 2025 • Edit PDF

How to Uncheck a Box in a PDF: 3 Simple Methods

This guide teaches you how to uncheck a box in a PDF regardless of whether it’s static or interactive with the help of PDF.net and other tools.

PDF.net

PDF.net

Content Team

how to uncheck box in pdf

To uncheck a box in a PDF, you need to know whether the file is interactive or static. If the PDF allows editing, you can simply click the box to uncheck it. If it is a flattened or scanned file, you will need a PDF editor or convert the file to Word to remove the checkmark.

Checkboxes in PDFs are commonly used in forms, surveys, and applications to make data collection simple and structured. They help users select options quickly, but once a box is checked, unchecking it is not always straightforward.

If you have ever found yourself stuck with a checked one you can’t remove, this guide is for you. Below, we will show you the detailed steps to uncheck a box in a PDF using different tools and devices.

Can You Uncheck a Box in a PDF?

Yes, you can uncheck a box in a PDF, but the approach depends on the type of PDF you are working with. Static PDFs are like digital printouts, where checkboxes are represented by images or shapes. You can’t click to check or uncheck these boxes without special editing software.

Interactive PDFs, on the other hand, are designed for user input. They include fillable form fields, such as checkboxes that you can click to check or uncheck directly. If the PDF is interactive, simply clicking the box will toggle it on or off.

How to Uncheck a Box in a PDF

To uncheck a box in a PDF, you can use Adobe Acrobat/Reader, an online PDF editor like PDF.net, or convert the PDF to Word and do so before saving it back as a PDF. Let’s take a closer look at each method:

#1. Use Adobe Acrobat/Reader

Adobe Acrobat/Reader is handy if your PDF is editable or has interactive form fields. You can follow these three simple steps:

  1. Open the PDF in Adobe Acrobat/Reader.
  2. Select the Hand Tool or Select Tool from the toolbar.
  3. Click on the checkbox you want to uncheck to toggle the box off.

If you can’t click on the box, the PDF may be locked or have restricted permissions that prevent edits. In that case, you won’t be able to uncheck it without a password or permission from the creator.

Adobe Acrobat is supported on macOS and Windows, so you can uncheck a box in your PDF on Mac or PC.

#2. Use an Online PDF Editor

You can use an online PDF editor like PDF.net to uncheck boxes in fillable PDF forms, cover checkmarks in static PDFs, and add new unchecked boxes or shapes as needed. This tool is easy to use, as it does not require software installation and works directly in your browser.

Here is how to cover checkmarks in static PDFs:

1. Open your PDF in PDF.net.

Open your PDF in PDF.net

2. Select Draw in the toolbar at the top of the page.

Select Draw in the toolbar at the top of the page

3. Choose the Highlighter or Marker from the panel.

Choose the Highlighter or Marker from the panel

4. Set the stroke’s thickness and pick the color that matches your PDF’s background.

Set the stroke’s thickness and pick the color that matches your PDF’s background

5. Draw freehand over your checkmark(s).

If you want to add new unchecked boxes, take these steps:

1. Select Field in the toolbar at the top of the page.

Select Field in the toolbar at the top of the page

2. Choose the fourth icon from the left (Create Checkbox Widget) in the options that appear.

Choose the fourth icon from the left (Create Checkbox Widget) in the options that appear

3. Click on the part of the page where you want the checkbox placed to put it there.

Click on the part of the page where you want the checkbox placed to put it there

4. Customize your checkbox’s name, options, and style.

  • You can change the field’s fill color, border color, border style, border width, transparency, and rotation.
  • If you include text, you can change its font, size, color, and alignment.

For a locked PDF form, select Password in the toolbar at the top of the page, click Remove, and then proceed to editing.

how to uncheck box in pdf

If you don’t want to uncheck a box in a PDF through Chrome, converting your file to Word is also an option.

#3. Convert PDF to Word and Edit

Converting your PDF into an editable Word document is another effective method that makes it easier to uncheck a box in a PDF. You can do so with PDF.net in the following way:

1. Open PDF.net.

Open PDF.net

2. Hover over Convert and then select PDF to Word.

Hover over Convert and then select PDF to Word

3. Upload your PDF by dragging and dropping it in or clicking Choose file.

Upload your PDF by dragging and dropping it in or clicking Choose file

PDF.net will automatically convert the file for you; a window like this will appear:

how to uncheck box in pdf

4. Check DOCX under Convert PDF to… and click Convert to DOCX.

Check DOCX under Convert PDF to… and click Convert to DOCX

Once you have the Word file, open it and locate the checkbox to uncheck it manually. Then, save the document and export it back to the PDF format to preserve your formatting.

What If You Can’t Uncheck the Box in a PDF?

If you can’t uncheck a box in your PDF, it is likely due to one of two reasons: the checkbox is part of a flattened, non-editable image, or the file is locked.

When a checkbox is part of a flattened PDF, it’s essentially part of the image and not an interactive element. In this case, you will need to use PDF editing software or OCR (Optical Character Recognition) tools to convert the image into editable text.

If the PDF is locked and editing is restricted, you’ll need to get an unlocked version from the sender. For interactive PDFs that aren’t locked but still do not respond, try clearing the form fields. This can remove all user-entered data, including checked boxes, and return the form to its original state.

Uncheck Boxes in PDFs Easily with PDF.net

Uncheck Boxes in PDFs Easily with PDF.net

PDF.net gives you a simple way to fix checkboxes in your PDF. If you cannot uncheck a box because it is part of a flattened image, you can cover it with a white shape, and then add a new checkbox in the right spot.

For fillable PDF templates, you can still make quick visual changes without needing advanced software. The tool works directly in your browser, so there is no need to download anything. Just upload your file, make your edits, and save the updated version in just a few minutes.

Final Thoughts

The key to unchecking a box in a PDF is knowing what type of PDF you are working with.

Interactive files can usually be edited with Adobe Reader or a tool like PDF.net. For non-editable files, covering the checkmark, converting the PDF to Word, or asking for an unlocked version are all valid options. So, in conclusion, with a bit of troubleshooting and the right approach, you can make the changes you need without having to recreate the entire file!

How to Uncheck Boxes in PDFs FAQs

#1. Can I uncheck a box in a read-only PDF?

You can uncheck a box in a read-only PDF if it is interactive and not locked. Tools like PDF.net or Adobe Reader support this function. If the PDF is static, converting it to Word allows the box to be unchecked before exporting it again as a PDF. For scanned files, you should run OCR first.

#2. What if my PDF checkbox won’t deselect?

If your PDF checkbox won’t deselect, try clearing the form fields. If that does not work, you may need to refresh the file, reopen it, or repeat the process using a different tool.

#3. Is there a way to uncheck multiple boxes at once?

You can uncheck multiple boxes at once with some PDF viewers’ form tools; look for a “Reset Form” or “Clear All” option in the form or editing menu.

#4. Do all PDF viewers support checkbox editing?

Not all PDF viewers support checkbox editing, but you can rely on PDF.net and Adobe Acrobat for this, as basic viewers may display the checkbox but not let you interact with it.

#5. How do you deselect text in a PDF?

To deselect text in a PDF, click anywhere outside the selected text or press the Escape key. If the text remains highlighted, try switching tools (e.g., from Select to Hand) or clicking into a blank space in the document.