Annotate PDF
NewAdd sticky notes, comments, callout boxes, arrows, lines, shapes, and freehand drawings to any PDF document. Annotations are stored as separate overlay layers that can be viewed in any standard PDF reader. Perfect for document review, teacher feedback on student papers, legal document markup, design feedback, and collaborative document editing.
Annotate PDF
Add comments, notes, and markup to PDF documents.
Upload File
or drag and drop here
Upload your PDF to open it in the annotation editor. Use the toolbar to add sticky notes, highlights, arrows, and shapes.
How to Use Annotate PDF
- 1Upload your PDF file
- 2Select an annotation tool from the toolbar (note, highlight, draw, shape)
- 3Click on the PDF to add annotations
- 4Review all annotations
- 5Download the annotated PDF
Your Privacy is Protected
Annotate PDF runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
Can annotations be seen in Adobe Reader?
Yes, annotations are saved as standard PDF annotations visible in Adobe Reader and all major PDF viewers.
Can I edit or delete annotations?
Yes, click on any annotation to edit its content or delete it before saving.