Learning how to annotate a PDF on Mac is extremely workable when you want to convey information or collaborate with others. This is especially useful when the collaboration is taking place via email. This post aims to provide several PDF solutions for Mac users, with free online options and offline service also available. Here we look at how to annotate PDF on Mac.
Cisdem PDFMaster
Free Download macOS 11 or later 
Free Download Windows 11/10/8/7
There are endless ways to annotate a PDF on Mac. Using the PDF editor is the most popular one. PDF editors have become a requirement, especially for office workers and businesses. Editors on the market not only be used to edit or replace text, actually they come with several annotation tools. In this section, you can find two PDF solutions to annotate PDF on your Mac device effortlessly.
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 tools, 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, add text to PDF, convert native PDFs, create PDF from other documents, manage (split, merge, compress, etc), comment, sign, protect, decrypt, manipulate your PDFs easily and efficiently.
Revise text, extract images or reorder pages on reports
Mark up, add notes, delete paragraph, edit content or change layout of papers
Create a fillable form and send it by email
Send contracts to clients for electronic signature
Save memory by storing files in the cloud
Free Download macOS 11 or later Free Download Windows 11/10/8/7
Another workable PDF annotation tool is PDFChef, which gives users the freedom to work on their PDF files online or offline. Its white and straightforward interface makes it significantly different from other PDF editors. Except for annotation and edit tools, Mac users can convert, create, merge, and manage pages.
Compared to PDFMaster, the annotation tools in PDFChef are relatively limited. It would be more beneficial for users if they could add multiple markups such as shapes, stamps or notes to the text.
You don’t have to depend on a PDF editor if you don’t want to install any software on your Mac. 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.
Annotating PDF files with Preview on Mac is workable. But it does not offer everything needed for more than the basics. There are a lot of users who tried that report 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.
Perhaps you’ve tired of subscribing to PDF software or you’ve never wanted to install any PDF application on your machine. Knowing that many users are looking for a free tool to annotate PDF on Mac, we have found more options for you.
Of course, if you want an alternative to annotate PDF on Mac for free, you can go to an 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. This web-based PDF editor program offers you opportunities to add sticky note, add link to PDF, highlight, strikeout, underline, add shapes, insert image, rotate one page in PDF or more.
It’s lucky for Mac users to have so much PDF freeware. Skim is one of free offline programs and note-takers on Mac, which offers several options such as magnify tool, note tool, select tool, text tool, page manipulation tool and more popular annotation tools you can use regularly.
The interface of Skim and Preview are similar, but they are actually different in some ways:
We mentioned and reviewed so many PDF annotators for Mac users. I am sure that Cisdem PDFMaster is the best application to annotate PDF on Mac. If you need a solution urgently but are hesitant, why not give it a chance and start with a 14-day trial? Enjoy!
Bianca is a senior tech editor and strategist at Cisdem with Over 10 years of experience on PDF related solutions which covers all document editing, annotating, converting and managing etc.
Abbie
Preview is actually my go-to tool in annotation, but it doesn't meet my needs at certain times. Thank you for sharing.
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.
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.
Megan Charles
Maybe you can try the PDF Manager Ultimate mentioned in the post, there is the free trial, just try before any decision.
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Mccayde
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Smithc349
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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.