Free Annotate PDF
Review and mark up pages with text, highlights, underlines, strikeouts, drawings, arrows, and shapes. The work happens on your device, so your document never enters an upload queue.
Choose a PDF file
Drop files here, or choose them from your device.
Up to 100 MB per file · nothing is uploadedHow it works
- Choose a page
- Add precise markup, notes, arrows, or shapes
- Select any mark to remove it
- Save an annotated, checked PDF
Private by default
This tool runs inside your browser with open-source PDF libraries. Files are not sent to Bookify, and temporary results disappear when you close this page.