Add Comments to PDF
Add text comments and notes to your PDF files online for free. Click anywhere on your PDF to add annotations that work in any PDF reader.
Select PDF File
Click to upload or drag and drop your PDF file here
Browser-Based Processing
For your privacy, all processing happens directly in your browser. This means:
- Your PDF never leaves your device, ensuring total privacy
- No file size limits typically imposed by server-based tools
- Instant processing without upload/download delays
- Works offline — no internet connection required after the page loads
How to Add Comments to PDF
A simple 4-step process to annotate your PDF documents.
1. Select Your PDF
Click "Select PDF File" or drag and drop your PDF into the selection area. Your file is processed locally for privacy.
2. Click to Comment
Click anywhere on the PDF page where you want to add a comment. A marker will appear, and a dialog will open for you to enter your text.
3. Add Your Text
Type your comment text in the modal dialog. You can add multiple comments on different pages by navigating and clicking.
4. Save & Download
Click "Save PDF with Comments" to embed your comments as standard PDF annotations. Download your annotated document.
Why Use Our PDF Annotator?
Professional PDF annotation with complete privacy and standard compatibility.
Interactive Commenting
Click anywhere on your PDF pages to add text comments. Visual markers show where comments are placed.
Complete Privacy
All PDF processing happens in your browser. Your files are never uploaded to a server, ensuring 100% privacy.
Standard PDF Annotations
Creates standard PDF comment annotations that can be viewed in any PDF reader like Adobe Acrobat or Preview.
Multi-Page Support
Navigate through all pages of your PDF and add comments anywhere. Each comment is tracked by page number.
Comments List
View all added comments in a list with page numbers. Delete any comment before saving if needed.
Works Everywhere
Add comments to PDFs on any device with a modern browser, including desktop, tablet, and mobile.