Annotate PDF

Highlight, underline, draw, and add sticky notes to PDF documents online. 100% free, browser-based.

How to Use Annotate PDF

1. Upload the PDF document you want to annotate.
2. Use the toolbar to add highlights, sticky notes, or text comments.
3. Position annotations on the relevant sections of each page.
4. Download the annotated PDF.

Tips for Best Results

• Use different highlight colors to categorize annotations.
• Add sticky notes for detailed comments and feedback.
• Review all annotations before saving to ensure completeness.
• Flatten the PDF after annotating to make annotations permanent.

Why Use DigitalBox24's Annotate PDF Tool?

• Collaborative document review with highlights and notes.
• Mark up documents for feedback without printing.
• Multiple annotation types for different review needs.
• Annotations are embedded in the PDF for easy sharing.

Frequently Asked Questions

Can other people see my annotations?

Yes. Annotations are saved in the PDF file and visible to anyone who opens it.

Can I remove annotations later?

Yes, unless the PDF has been flattened. Flattened annotations become permanent.