Add Circle in PDF For Free

Drop document here to upload
Select from device
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Based on 12500+ reviews
Last updated on May 25, 2026

Add Circle in PDF

Add a circle to your PDF document quickly using pdfFiller's intuitive tools. Enhance your document's clarity and visual appeal without any technical setup.

What is Circle Annotation in PDF?

A circle annotation in PDF is a visual tool used to highlight important information within a document. This feature is particularly useful for emphasizing key points, making it easier for readers to identify critical details. Circle annotations enhance document clarity and are commonly used in reviews, legal documents, and marketing materials. By using annotation tools effectively, you can draw attention to specific areas without altering the original content of the PDF.

Why Use pdfFiller for Circle Annotations?

pdfFiller is the preferred choice for adding circles to your PDF documents due to its user-friendly interface and powerful PDF editing capabilities. Trusted by over 68 million users, pdfFiller requires no IT setup, making it accessible for small and medium-sized businesses. With over 1 million templates available, you can easily find the right format for your needs. The platform allows you to add circle annotations quickly, ensuring that your document editing process is efficient and straightforward.

How to Add a Circle in PDF

  1. 1.
    Access the Edit Mode in pdfFiller to begin editing your PDF document.
  2. 2.
    Select the Circle tool from the annotation options available in the toolbar.
  3. 3.
    Click and drag your mouse to draw a circle over the desired area in the PDF.
  4. 4.
    Adjust the size and position of the circle as needed to ensure it highlights the correct information.
  5. 5.
    Change the color or thickness of the circle to make it more visible, if necessary.
  6. 6.
    Save your changes to keep the circle annotation in your PDF document.
  7. 7.
    Review the document to ensure the circle is placed correctly and effectively highlights the intended content.
  8. 8.
    Share your annotated PDF with colleagues or clients for further collaboration.

Customizing Your Circle Annotations

When you add a circle in PDF, you have several customization options to enhance its visibility. You can change the color and thickness of the circle to suit your preferences or the document's design. Additionally, resizing circles allows you to adjust their prominence based on the content they highlight. If needed, you can add multiple circles to emphasize different sections of the document, making it easier for readers to navigate through the key points.

Managing Circle Annotations After Placement

After placing a circle annotation, managing it is straightforward. You can select and move circles to reposition them if they are not accurately placed. If you make a mistake, the undo feature allows you to revert changes quickly. To remove an annotation, simply select the circle and delete it from the document. This management process ensures that your PDF remains clear and focused on the essential information.

Circle Annotations vs. Other Markup Tools

Circle annotations differ from other markup tools, such as highlights and text boxes, in their specific use cases. While highlights are great for marking text, circle annotations provide a visual emphasis that can draw attention to particular areas of a document. Use cases for circles include legal document reviews, where highlighting specific clauses is crucial, and marketing presentations, where visual appeal can enhance engagement. Understanding when to use each tool can improve your document editing efficiency.

Use Cases for Circle Annotations

Circle annotations are beneficial in various scenarios, including legal document reviews, where they help highlight important clauses or terms. In marketing presentations, circles can emphasize key statistics or messages, making them stand out to the audience. Educational materials also benefit from circle annotations, as they can direct students' attention to essential concepts or questions. These use cases demonstrate the versatility of circle annotations in enhancing document clarity.

Browser Compatibility for Circle Annotations

When using pdfFiller to add a circle in PDF, you can enjoy the convenience of browser compatibility. The platform works on all major browsers, ensuring that you can access your documents without the need for installation. Additionally, pdfFiller is mobile-friendly, allowing you to edit PDFs and add annotations from any device, making it a flexible solution for busy professionals.

Limitations of Circle Annotations

While circle annotations are useful, they do have limitations. They cannot alter the original content of the PDF, as their purpose is solely to provide visual emphasis. Additionally, circle annotations are limited to highlighting and cannot be used for fillable fields or interactive elements. Understanding these limitations helps in effectively utilizing circle annotations within your document editing process.

Next Steps After Adding a Circle

After adding a circle in PDF, there are several important next steps to consider. First, save your document to ensure that your changes are preserved. Next, share the annotated PDF with collaborators for feedback or further editing. If necessary, prepare the document for e-signature to finalize agreements or approvals. These steps will help you maintain an efficient document workflow.

How Does pdfFiller Compare?

Adobe Acrobat offers extensive features but requires a subscription, which may not be cost-effective for small and medium-sized businesses. Smallpdf provides basic editing tools but lacks the comprehensive features and templates available in pdfFiller. PDF Expert is great for Mac users but does not offer the same level of cross-platform accessibility as pdfFiller.

Try these PDF tools

Edit PDF
Quickly edit and annotate PDFs online.
Sign
eSign documents from anywhere.
Request signatures
Send a document for eSignature.
Share
Instantly send PDFs for review and editing.
Merge
Combine multiple PDFs into one.
Rearrange
Rearrange pages in a PDF document.
Compress
Compress PDFs to reduce their size.
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.

Online PDF annotation: Highlight, redact, draw, and comment

Annotate and edit

Go beyond editing and add context to your changes. After fixing a typo or updating a section, drop a comment or highlight the area to pinpoint and explain edits.
Screen

Guide every signature

Use annotation tools to highlight important sections, redact sensitive details, or add comments to clarify contract clauses before you send the document for signing.
Screen

Team feedback, simplified

Stop juggling feedback across endless email chains. Share your document and let everyone add their highlights, comments, and suggestions directly on the PDF.
Screen

All your notes in one place

Never lose track of important feedback. All annotations are saved with your documents in your secure cloud storage, keeping your projects organized and accessible.
Screen

How to annotate a PDF?

Illustration

1. Upload

Upload your document to pdfFiller and open it in the editor.
Illustration

2. Annotate

Use annotation tools at the top to highlight, redact, draw, add markings, and leave comments.
Illustration

3. Save and export

Apply your changes and choose how to export your document: download, send to cloud storage, save in your account, share, and more.
Upload your document

Who uses this tool?

Learn how professionals use pdfFiller to review documents and exchange feedback.
Business Owners
Sales
Real Estate
Construction
Healthcare
Insurance
Legal
Business Owners

Business Owners

Review business plans or financial reports and add notes directly on the document for your team. Highlight key performance indicators and comment on specific sections to provide clear feedback without altering the original file.
  • Financial reports
  • Business plans
  • Marketing mockups
  • Strategic roadmaps
Sales

Sales

Collaborate on proposals and contracts before they are sent to clients. Highlight key terms for internal review or add notes to a presentation to prepare your team for a big meeting.
  • Sales proposals
  • Draft contracts
  • Presentation slides
  • Competitor analysis reports
Real Estate

Real Estate

Simplify communication with clients and partners. Highlight critical clauses in purchase agreements or point out concerns on inspection reports to ensure everyone is on the same page.
  • Inspection reports
  • Purchase agreements
  • Floor plans
  • Property disclosure forms
Construction

Construction

Streamline project reviews by allowing architects, contractors, and clients to mark up plans. Draw arrows to indicate changes on blueprints, comment on change orders, or flag issues on safety reports to keep projects on track.
  • Blueprints and architectural plans
  • Project bids
  • Change orders
  • Safety reports
Healthcare

Healthcare

Collaborate with colleagues to enhance patient care or medical research. Highlight key findings in lab reports or add notes to a medical research paper without compromising the original document’s integrity.
  • Patient charts
  • Lab results
  • Peer review documents
  • Medical research papers
Insurance

Insurance

Expedite claims and underwriting by quickly annotating case documents. A claims adjuster can circle damage on a photo, and an underwriter can highlight missing information on an application, ensuring an efficient review process.
  • Claim forms with photos
  • Witness statements
  • Policy applications
  • Investigation reports

Why trust pdfFiller to annotate your documents?

GDPR
AICPA SOC 2
PCI
HIPAA
CCPA

All-in-one solution

Handle all your document tasks in one place. Create and edit PDFs, collect data and signatures, collaborate, and manage files securely in the cloud.

Cloud-native accessibility

pdfFiller is entirely cloud-based and cross-platform, allowing you to access your documents anytime and anywhere, without installing any software or storing files on multiple devices.

Your documents—secured

pdfFiller prioritizes data protection and regulatory compliance through security measures like data encryption and signer authentication.

Annotate PDFs with a trusted, all-in-one solution

Try pdfFiller for all your document management needs.
Upload document

pdfFiller scores top ratings on review platforms

Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Filler is very good but need to upgrade with some more features like filling the gaps in a form on the same line, deleting the existing print and modify, etc.,
RAVI KUMAR P
It was easy to get started with PDFfiller. Importing the file was easy. Adding text or signatures was very intuitive. It does the job quickly and efficiently.
Anonymous Customer
PDF filler solved my small business billing issues! I am able to prepare CMS Form 1500 online and fax directly to the insurance company! It stores all my documents for future reference too and allows me to edit and resend if there is a problem. Awesome tool for a small business like mine!!!
Laura
What do you like best?
I love the program as a homeless case manager, I can review information with clients, send to them for review, and signature from my office
What do you dislike?
It needs a desktop application for easier access vs going to the website all the time.
What problems are you solving with the product? What benefits have you realized?
decreasing my travel, having access to documents when I need them in the PDF website, and access to cloud networks
Consultant in Non-Profit Organization Management
Much easier to use than Adobe and hours… Much easier to use than Adobe and hours of frustration. I tried pdfFiller for my business and within a few minutes .had a PDF fillable PDF created.
John Mihuc WLHC
I spoke with Nathan who was very…kind I spoke with Nathan who was very helpful and kind. I was charged 75$ from my account and was told pdffiller was the ones who charged me. Nathan did everything he could do to help me solve these charges and said he would get back with me as soon as I sent a screen shot of bull. Within minutes Nathan contacted me back and explained where the charges came from. He was more helpful than the ones who charged me . I wish everyone was as kind, respectful and helpful as Nathan was.
Carol Craig
Smooth fillable process Smooth fillable process. It's just the end of the process, saving the document and accessing it that I still need to get used to. I don't feel too comfortable as I feel like my documents are not easily accessible if I forget my password. I guess it's a matter of getting used to. Also is there a charge sometime in the future for this?
Vio
Making editing so easy and fuss free Making editing so easy and fuss free! Hope that the membership could be more affordable or have a student price perhaps.
JL Tan
Fairly easy to use Fairly easy to use. Would like to combine 2 or more docs into one file so I can fax as a group. I'm sure that's an option; but haven't found it yet...still new at this.
Linda M.
Show more Show less

Watch our PDF editor in action

Check out this video tutorial to learn how to edit and annotate PDFs using pdfFiller’s drag-and-drop editor.

FAQs

If you can't find what you're looking for, please contact us anytime!
To add a circle in a PDF, simply open your document in pdfFiller, select the 'Shapes' tool from the editing menu, and choose the circle option. This straightforward process allows you to customize the size and color of the circle. After adding the circle, you can drag it to your desired location within the document. For remote professionals and legal teams, this feature is essential for highlighting important areas in contracts or forms. Remember to save your changes to ensure the circle remains in the document.
Adding circles in PDFs can significantly enhance the clarity of legal documents by drawing attention to critical sections. This visual cue helps ensure that all parties focus on essential information, such as signatures or important clauses. Using pdfFiller, you can quickly add circles to highlight these areas without altering the original text. This is particularly useful for legal teams who need to present documents clearly and professionally. Always ensure that any annotations comply with your organization's security protocols.
Yes, you can add circles in PDF forms to create interactive elements. By using pdfFiller, you can place circles around checkboxes or fields to guide users on where to input information. This feature is especially beneficial for SMEs looking to streamline document automation. After adding the circle, ensure that it is properly aligned with the interactive fields to enhance user experience. This not only improves form completion rates but also maintains a professional appearance.
Absolutely! When you add a circle in a PDF using pdfFiller, you can customize its appearance by adjusting the size, color, and border thickness. This level of customization allows you to match the circle's design with your brand's colors or the document's theme. For remote professionals, this means you can maintain a consistent look across all your documents. To customize, simply select the circle after adding it and use the properties panel to make your adjustments.
When adding circles in PDFs, especially for sensitive documents, it's crucial to consider security measures. pdfFiller employs robust security protocols to protect your documents while editing. Ensure that any annotations, including circles, do not compromise the confidentiality of the information. Use password protection and encryption features to secure your PDFs. This is particularly important for legal teams handling sensitive information, as it ensures compliance with data protection regulations.
Adding circles in PDFs can significantly enhance collaboration among teams by providing clear visual cues for discussion points. When team members highlight areas of interest with circles, it fosters focused conversations during reviews. In pdfFiller, you can easily share annotated PDFs with colleagues, allowing for real-time feedback and collaboration. This feature is invaluable for remote professionals who need to work together efficiently, ensuring everyone is on the same page regarding document revisions.
To effectively add circles in PDF documents, follow these best practices: first, ensure that the circles are used sparingly to avoid cluttering the document. Use contrasting colors to make the circles stand out against the background. Additionally, place circles strategically around critical information to guide the reader's attention. With pdfFiller, you can easily adjust the size and position of circles to achieve the best visual impact. This approach is particularly useful for legal teams needing to emphasize key sections without overwhelming the document.

Annotate PDFs with a trusted, all-in-one solution

Try pdfFiller for all your document management needs.
Upload document
Rate this tool
4.8
satisfied
20 votes