Choose and preview
Add a PDF and open a page.
Annotate PDF privately.
Annotate pages visually with text, highlights, rectangles, and freehand ink, with undo and flattened export.
Your file stays on this device · No signup · No watermark
Files never leave this browserPrivate workspace
Drop one pdf file hereWe'll build private previews on this device
Built for this exact task
How to use Annotate PDF
Add text, highlights, rectangles, and freehand ink on a large page preview, then drag elements into place.
Make your changes
Choose text, highlight, shape, or ink and place it visually.
Verify and download
Drag elements into position, review, and export.
Files stay on deviceCompletely freeVerified output
Questions about Annotate PDF
Useful answers before you start.
Privacy+
PrivatePDF performs the document work inside your browser. Your PDF bytes are not uploaded for processing.
Local processing+
Preview every change and process locally in your browser. Free, private, and no signup.