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
  • Precise layout control with real-time configuration

How to Add Comments to PDF

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?

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.

Frequently Asked Questions

Report Bug
Send Feedback
Feature Request