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 annotation-related tools in SwifDoo. Once you have added annotations to the PDF document, the changes will always remain stable irrespective of any operating systems.


Pinpoint and Track Your Annotations

You can reply directly to others’ annotations with ease. At the same time, you can open Status button to choose the status of your reply, such as Accept or Deny. It is quite easy to start a conversation between reviewers and recipients. More than that, SwifDoo provides you a Manage button to view all annotations.

Create and Add Stamps to PDFs

Multiple stamps may come in handy to label the document with important information, such as the document’s approval status or confidentiality level. We provide different stamps for you to indicate the status of your file.


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

Tips for Annotating PDF


Adding Watermarks to PDFs Using Online & Offline Tools


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Solution: Adding Text to a PDF Document Online & Offline

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.