Last updated on
May 29, 2026
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.
Add Comments to PDF
Add comments to your PDFs quickly and easily using pdfFiller's intuitive tools, designed for professionals and small businesses.
What Are PDF Commenting Tools?
PDF commenting tools are essential for document review processes, allowing users to add comments directly to PDF files. These tools enhance collaboration among team members by enabling feedback and discussions within the document itself. They support various file formats, making them versatile for different types of documents. By using these tools, small and medium-sized businesses can streamline their document workflows and improve communication efficiency.
How to Add Comments to Your PDF
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1.Open your PDF in pdfFiller to begin the commenting process.
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2.Select the comment tool from the toolbar to access annotation options.
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3.Add your comments directly onto the PDF where needed.
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4.Adjust the position of your comments if necessary for clarity.
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5.Save changes to finalize comments and ensure they are embedded in the document.
Benefits of Commenting on PDFs
Commenting on PDFs facilitates quick feedback loops, allowing team members to respond to each other's notes efficiently. It improves clarity in document revisions by providing specific points of discussion. Additionally, it supports remote collaboration, making it easier for teams to work together regardless of their physical locations.
Supported File Formats for Commenting
pdfFiller supports native PDFs and scanned documents, ensuring a wide range of compatibility. Common formats include .pdf and .docx, allowing users to work with various document types. After commenting, users can also access export options to save the annotated files in their preferred format.
Managing Comments After Placement
To manage comments after placement, you can edit or delete comments as needed. If you want to move comments to different locations, simply select and drag them to the desired spot. Remember to save changes after management to ensure all adjustments are retained in the document.
Collaboration Features of PDF Commenting
PDF commenting tools allow you to share documents with team members easily. They offer real-time commenting capabilities, enabling multiple users to provide feedback simultaneously. Additionally, you can track changes and feedback, ensuring that all contributions are visible and manageable within the document.
Security Features for Commented PDFs
Security measures for commented PDFs include encryption for document protection, ensuring that sensitive information remains secure. pdfFiller complies with legal standards, providing peace of mind for businesses handling confidential documents. Options for secure sharing are also available, allowing you to control who can access your commented files.
How Does pdfFiller Compare?
Adobe Acrobat offers extensive features but can be complex and costly for small businesses. Users may find pdfFiller's simplicity more appealing.
Smallpdf provides basic PDF editing tools but lacks the comprehensive commenting features of pdfFiller. pdfFiller offers more robust collaboration options.
PDF Expert is known for its user-friendly interface, but it may not support as many file formats as pdfFiller. pdfFiller provides broader compatibility and template options.
Next Steps for Effective PDF Commenting
To enhance your PDF commenting experience, explore additional features in pdfFiller that can further improve your document management. Consider integrating with e-signature tools for a complete workflow solution. Additionally, access help resources for advanced techniques to maximize your use of the platform.
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Online PDF annotation: Highlight, redact, draw, and comment
Annotate and edit
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.
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.
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.
How to annotate a PDF?
1. Upload
Upload your document to pdfFiller and open it in the editor.
2. Annotate
Use annotation tools at the top to highlight, redact, draw, add markings, and leave comments.
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.
Who uses this tool?
Learn how professionals use pdfFiller to review documents and exchange feedback.
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.
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Financial reports
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Business plans
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Marketing mockups
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Strategic roadmaps
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.
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Sales proposals
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Draft contracts
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Presentation slides
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Competitor analysis reports
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.
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Inspection reports
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Purchase agreements
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Floor plans
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Property disclosure forms
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.
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Blueprints and architectural plans
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Project bids
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Change orders
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Safety reports
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.
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Patient charts
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Lab results
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Peer review documents
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Medical research papers
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.
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Claim forms with photos
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Witness statements
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Policy applications
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Investigation reports
Legal
Speed up document reviews with confidential notes and highlights. Mark up discovery documents with key evidence, comment on witness depositions, or add case analysis notes for your team while preserving the original file.
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Discovery documents
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Witness depositions
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Affidavits
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Case law research
Why trust pdfFiller to annotate your documents?
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.
pdfFiller scores top ratings on review platforms
Pretty straight forward but when you want to print multiple forms of the same type I don't see a way to easily clear the info, I have to overwrite or clear each field manually. Thank you, Fred McFaddin
I have difficulties to send to sign to 2 people at the same time. I follow instructions but it does not work. The rest is good, specially on line help is good! Thank you
Great, just unfamiliar with how to align the form instead of having to align each individual letter. Cannot believe this is correct. Otherwise love the look and professional appearance.
What do you like best?
Ability to create templates (e.g. for billing) and changing dates when needed.
What do you dislike?
too much to choose from when importing records from the library
What problems are you solving with the product? What benefits have you realized?
Able to access files and email or fax at will when on the road.
Ability to create templates (e.g. for billing) and changing dates when needed.
What do you dislike?
too much to choose from when importing records from the library
What problems are you solving with the product? What benefits have you realized?
Able to access files and email or fax at will when on the road.
What do you like best?
I love this engine because I can graduate the size of letters, be able to type anywhere on the pages and save every minute all forms in secure.
What do you dislike?
I don’t have any inconvenience with this software.
Recommendations to others considering the product:
Is easy to use and it will save you time.
What problems are you solving with the product? What benefits have you realized?
I can login anywhere in the world , I don’t have to save all forms in my computer and I can save my job to continue later. Also I can login on my smartphone using the mobile APP!
I love this engine because I can graduate the size of letters, be able to type anywhere on the pages and save every minute all forms in secure.
What do you dislike?
I don’t have any inconvenience with this software.
Recommendations to others considering the product:
Is easy to use and it will save you time.
What problems are you solving with the product? What benefits have you realized?
I can login anywhere in the world , I don’t have to save all forms in my computer and I can save my job to continue later. Also I can login on my smartphone using the mobile APP!
easiest way to fill forms!
I like it and I recommend it to anyone who works with Forms that cannot be edited using another softwares.
In my job we need to complete a LOT of forms (we are a law firm specialized in tax and corporate law so we need to complete a lot of forms that come in PDF format) and some of them doesn´t allow us to make any edit in the regular PDF program so PDFFiller is our salvation. It is super easy to use and it allows you to edit the entire document using only this software. You can add text or even delete parts that you don´t need. It is a software that doesn´t require any effort to understand because everything is as simple as upload the document, make the changes and save as pdf or print the document. I use it every day and I find it very complete for the things that I need.
You are not able to use it in several computers, so if by mistake you open your session on another computer you may loose your work.
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.
Transforming businesses with pdfFiller
Check out these success stories.
How can I easily add comments to a PDF document using pdfFiller?
To add comments to a PDF document using pdfFiller, simply upload your PDF file to the platform and select the 'Comment' tool from the editing menu. This allows you to insert text comments, highlight sections, or add sticky notes directly onto the document. For enhanced collaboration, you can also invite others to view and comment on the PDF. A practical tip is to use color-coded comments to categorize feedback, making it easier for teams to address specific issues during document reviews.
What types of comments can I add to a PDF with pdfFiller?
With pdfFiller, you can add various types of comments to a PDF, including text annotations, highlights, shapes, and sticky notes. This versatility allows you to provide detailed feedback or suggestions directly on the document. For instance, using the highlight tool can draw attention to critical areas, while sticky notes can be used for more extensive explanations. Remember to utilize the 'Comment' tool effectively to ensure your feedback is clear and actionable, enhancing the document's review process.
Is it secure to add comments to PDFs using pdfFiller?
Yes, adding comments to PDFs using pdfFiller is secure, as the platform employs robust security protocols to protect your documents. All files are encrypted during upload and storage, ensuring that your comments and sensitive information remain confidential. Additionally, pdfFiller complies with industry standards for data protection, making it a reliable choice for legal teams and remote professionals. Always ensure you are logged into a secure network when accessing sensitive documents to further enhance security.
Can I collaborate with others when adding comments to a PDF?
Absolutely! pdfFiller allows for real-time collaboration when adding comments to a PDF. You can share your document with team members or clients, enabling them to view and add their comments directly. This feature is particularly useful for legal teams and SMEs who require input from multiple stakeholders. To enhance collaboration, consider scheduling a review session where all parties can discuss comments and make decisions on the document together.
What if I need to remove comments from a PDF after adding them?
Removing comments from a PDF in pdfFiller is straightforward. Simply select the comment you wish to delete and click the 'Delete' option that appears. This allows you to maintain a clean document without unnecessary annotations. For users needing to revise feedback, consider using the 'Edit' feature to modify existing comments instead of deleting them. This ensures that all feedback remains accessible for future reference.
Can I add comments to a PDF on mobile devices using pdfFiller?
Yes, you can add comments to a PDF on mobile devices using the pdfFiller app, which is available for both iOS and Android. The app provides a user-friendly interface that allows you to annotate PDFs on the go, making it ideal for remote professionals. To maximize your mobile experience, ensure that you have a stable internet connection and familiarize yourself with the app's commenting tools to streamline your workflow.
How does pdfFiller integrate with other tools for document automation when adding comments?
pdfFiller integrates seamlessly with various tools for document automation, enhancing your ability to add comments to PDFs efficiently. By connecting with platforms like Google Drive, Dropbox, and Microsoft Office, you can easily import documents and share them for commenting. This integration streamlines your workflow, allowing for quick access and collaboration. To leverage this feature, explore the integrations section within pdfFiller to connect your preferred tools and enhance your document management process.
