How to Add a Check Mark in PDF Files

In the digital age, we often find ourselves needing to fill out PDF forms or add annotations to documents. A common requirement is adding a check mark to indicate completion or approval of certain tasks. In this article, we will discuss different methods you can use to insert a check mark in your PDF files.

Using Adobe Acrobat Reader

1. Open the PDF: Start by opening the PDF document you want to add a check mark to using Adobe Acrobat Reader.

2. Select Comment Tool: Click on the “Comment” icon in the toolbar at the top of the screen. This will open up a set of annotation tools.

3. Choose Check Mark Icon: From the annotation toolbar, select the “Stamp” icon, which looks like a rubber stamp. Then, choose the check mark stamp from the list of available stamps.

4. Place Check Mark: Click on the location within your PDF where you want to place the check mark. You can resize or move it around as needed.

5. Save Your Changes: Once you have added the check mark, make sure to save your changes before closing the document.

Using Online Tools

If you don’t have access to Adobe Acrobat Reader, there are several online tools that allow you to add annotations and stamps to PDF files for free. Websites like Smallpdf, PDFescape, and Sejda offer easy-to-use interfaces for adding check marks and other annotations.

Using Graphic Design Software

If you need more customization options for your check mark or want to create a custom design, graphic design software like Adobe Illustrator or Canva can be used. Simply create your desired check mark design and then import it into your PDF file using editing software like Adobe Acrobat Pro.


Adding a check mark to your PDF files is a simple process that can be done using various tools ranging from free online platforms to professional software applications. Whether you prefer quick and easy solutions or more advanced customization options, there is an option out there that will suit your needs.

By following these methods outlined above, you can efficiently add check marks to your PDF documents and streamline your workflow when it comes to filling out forms or providing feedback on digital materials.