Annotate your PDF documents with our free online tool. Add comments, highlights, drawings, shapes, icons, and form fields to your files. Whether you are reviewing a contract or marking up study notes, our easy-to-use editor lets you communicate your feedback clearly.
Highlighting & Markup
Easily highlight important text, add underline or strikethrough to review documents effectively and emphasize key points.
Freehand Drawing
Draw freely on your PDF to circle items, add signatures, or make quick notes directly on the page.
Comments & Forms
Insert sticky notes, text boxes, and interactive form fields like checkboxes and radio buttons to complete your documents.
Shapes & Visuals
Enhance your PDF with geometric shapes, professional icons, and charts to visualize data and draw attention.
Secure Processing
Your files are processed securely using 256-bit SSL encryption and deleted automatically from our servers after 2 hours.
Cross-Platform
Annotate PDFs from any device—desktop, tablet, or mobile—directly in your browser without installing any software.
Manage PDF files
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