Annotating PDF Files with Multiple Tools

Make PDF documents more interactive by marking up your documents. SwifDoo PDF simplifies the conversation between senders and recipients.

Annotate & markup PDFs

From highlight, stamp, note, pencil, to shape, you can find common annotating tools in SwifDoo PDF. Once you have added annotations to a PDF document, these marks will always remain active regardless of any operating systems.

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Pinpoint and track your annotations

You can directly reply to others’ annotations. At the same time, you can choose the status of your reply, such as Accept or Deny. It is quite easy to start conversations between reviewers and recipients. Besides, SwifDoo PDF has a Manage button to view all annotations.

Create and add stamps to PDFs

Multiple stamps are available to label the document, such as the document’s approval status or confidentiality level. We provide different stamps for users to indicate the status of the PDF files.

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100million

100+ MILLION

Total Downloads

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In 160+ countries

Business & Home Users

Tips for Annotating PDF

How to Add Annotations to PDFs with SwifDoo PDF

Open a PDF document with SwifDoo PDF
Click the “Annotate” button and select any tool you may need
Click the “Save” to maintain all the changes

FAQs about Annotating PDF

Q:How do i mark up a PDF on Mac?

  • Although you cannot directly edit the text of a PDF in Preview, you can use the markup tools to provide feedback or write down your notes:
  • 1. Open a PDF document in the Preview app on your Mac, click the Show Markup Toolbar button  (if the Markup toolbar isn't showing).
  • 2. Utilize the tools in the toolbar to annotate the PDF (or use the Touch Bar).

Q:What is the best PDF annotator?

  • 1. Adobe Acrobat;
  • 2. PDFescape;
  • 3. Soda PDF.
  • 4. Foxit PDF.
  • 5. Xodo.
  • 6. Nitro PDF.
  • 7. PDF-XChange Viewer.

Q:How can i annotate PDFs with Adobe Acrobat?

  • 1. Open a PDF in Acrobat and select the "Comment" tool;
  • 2. Add PDF annotations to your file. You can add text boxes, sticky notes, underlines, strikethrough content, and highlight text;
  • 3. Save all the changes and export your file.