How to Annotate a PDF on Mac(OS Big Sur Included)?

Megan Charles
time August 24, 2020 Preview 28.4K
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Learning how to annotate a PDF on Mac is extremely useful when you want to convey information or collaborate with others. This is especially useful when the collaboration is taking place via email. Here we look at how to annotate PDF on Mac.

Method 1: Annotate a PDF on Mac with Preview

Even though Preview is categorized as a PDF and image viewer, a little-known feature is that it also allows you to annotate PDF files on Mac. You can add an oval, rectangle, note or link to any PDF document simply by going to the Tools menu and choosing Annotate.

  1. Open the PDF you want to annotate in Preview.
  2. Go to the Tools Menu and choose Annotate, which will show you a dropdown menu of PDF annotation tools. Choose the PDF annotation tool as needed.annotate pdf on mac with Preview

Method 2: Utilize PDF Editor to Annotate a PDF on Mac with More Options

Annotating PDF files with Preview on Mac is workable. But it does not offer everything needed for more than the basics, also there are a lot of users who tried that reported that the version of Preview has a disastrous bug. After your PDF is annotated, the text becomes subtly corrupted. If you follow the advice, you are possibly putting your important data at risk.

To annotate and add notes to PDF files safely and efficiently, you are recommended to use a professional PDF Annotator, Cisdem PDFMaster, which offers all regular annotation tools. It can mark and annotate any PDF on mac easily, including, Text Box, a free-hand drawing tool, sticky notes, comments, highlight, markup tools and so on. While as a professional PDF editor, it enables users to edit, convert native PDFs, create PDF from other documents, manage(split, merge, compress,etc), comment, sign, protect, decrypt, etc., to manilupate your PDFs easily and efficiently.

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Let's get to annotate a PDF on mac:

Step 1. Go to PDF Edit Interface;

pdfmaster main interface to annotate

Step 2. Add PDF Files

Drag and drop the PDF file that you need to annotate. 

add pdf file for annotation

Step 3. Annotate a PDF on Mac by Using Different PDF Annotation Tools

In the editing pane, you can add various stuff to annotate a PDF, like higlight, underline, strikethrough, add shapes, add texts, use pencil, add sticky notes or others.

annotate pdf files

If you want to delete an added content, you need to select it first and then click “delete” button on the keyboard. 

Method 3: Use Free PDF Annotator on Mac

Of course, if you want an alternative to annotate PDF on mac for free, you can go to online free PDF editor which includes the PDF annotation feature. Here we take PDFescape as an example to show how to annotate a PDF on mac.

  1. Go to PDFescapeannotate a pdf for free 01
  2. Upload the PDF that you want to annotate to the server
  3. Choose "Annotate" and select the PDF annotation tools as neededannotate a pdf on mac free 02
  4. Once you have finished annotating a PDF on mac, save and download the annotated PDF
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Megan Charles
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Megan has an impressive deal of experience with Mac software and has the ability to explain tech stuff in a simplified, straightforward and easy to understand way.

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Comments (6) Leave a Reply

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  • Rosam

    In fact, annotation is not a big deal, but a PDF Editor is capable of both managing files and converting files, still with affordable price, that's good.

    4 years ago Reply

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  • Ben

    I found Preview very non-intuitive to use. And worse, I was just trying out a crop tool on one of my pdf files, I then closed Preview thinking that it will not save my playing around. Well, it seem Preview Saved it without my explicit instructions. Any other software I've used do not save something if I close or quit the app.

    5 years ago Reply

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    • Megan Charles

      Maybe you can try the PDF Manager Ultimate mentioned in the post, there is the free trial, just try before any decision.

      5 years ago
  • big dildos

    whoah this blog is magnificent i love studying your posts. Keep up the great work! You know, lots of persons are looking around for this info, you could aid them greatly.

    5 years ago Reply

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  • Mccayde

    That's a smart answer to a tricky quetison

    5 years ago Reply

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  • Smithc349

    I value the post.Thanks Again. Awesome. fddeegaagkkekdcg

    5 years ago Reply

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  • James

    What the Preview can do is limited, I don't like to use it. Adobe Acrobat is the most powerful, but it is so expensive for me. This PDF Annotator for Mac is a good alternative, it has more function than Preview.

    6 years ago Reply

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