Annotate PDF

Annotate PDF by adding text, sticky notes, drawings, highlights and more

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What is Annotate PDF ?

Annotate PDF is a free online tool that annotates PDF by adding text, sticky notes, drawings, and marking text using different tools such as highlight, strikeout, underline, and squiggly lines. If you are looking to annotate PDF, adding your notes while reviewing a PDF, or best PDF annotator, then this is your tool. With this free service, you can quickly and easily review and annotate your PDF files.