Add Comments to PDF
- Instantly insert text comments to any PDF in one click.
- Use drawing tools like arrows and shapes for clear visual feedback.
- Collaborate seamlessly by sharing annotated documents.
- Completely free and available on all your devices.

Smarter Ways to Insert Comment in PDF
Elevate your document reviews with powerful, intuitive tools to comment on PDFs.

Versatile Comment Adding Tool
- Highlight, underline, and strikethrough text to emphasize key points.
- Add sticky notes anywhere on the page to leave detailed feedback.
- Customize colors and opacity for clear, organized comments.
- All tools are free and easy to access in our PDF commenter.
Rich Commenting Options
- Insert text boxes and callouts for direct commentary.
- Use drawing tools to add arrows, circles, squares, and free-form lines.
- Attach files to your PDF to provide supplementary information.
- Manage all your comments in a convenient, collapsible panel.


Effortless Review & Collaboration
- Streamline feedback by having all comments in one document.
- Reply to comments to create threaded conversations within the PDF.
- Set comment statuses (e.g., Accepted, Rejected) to track changes.
- Share the annotated PDF easily via email or a cloud link.
Why Users Love Our PDF Commenter
See how students, professionals, and teams use WPS Office to add comments to PDFs.

Sarah J.
University Student
"WPS Office is a lifesaver for my studies. I can add my comments to PDF lectures and highlight textbooks for free. It makes revising so much easier!"

Mark T.
Legal Analyst
"I have to review and comment on dozens of PDF contracts daily. The PDF annotation tools in WPS are intuitive and robust, speeding up my workflow significantly."

Chloe B.
Graphic Designer
"My clients send me PDF proofs, and I use the drawing tools to circle changes and add specific comments. It’s so much clearer than writing a long email."
How to Add Comments in A PDF
Start annotating your PDF documents in minutes with our simple guide.

More Powerful PDF Tools
Beyond commenting on PDF, WPS Office offers a complete solution for all your needs.
Everything You Need to Know to Add Comments to PDF
Start Commenting on PDFs for Free Today
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