🔒 Runs on your device
Annotate PDF
Highlight, draw, add text, comments and stamps to a PDF.
Open Paper to annotate PDF →Your file never leaves your device: Paper does this in your browser, and its security policy stops the page from sending data to any other site.
How to annotate PDF
- Open the PDF.
- Pick a tool: Highlight, Box, Draw, Text, Note or Stamp.
- Click or drag on the page; use Select to move or delete.
- Export the annotated PDF.
Questions
Is it free?
Yes, free and open source, with no sign-up and no watermark.
Will others see my notes?
Yes. Notes are saved as standard PDF comments that open in any PDF reader.