Mar 02,2020 • Filed to: PDF Editor

PDF annotation feature makes it easy for us to highlight and edit important text or ideas within a PDF document. You are also able to write comments on a PDF page without effecting the layout. This article will review 10 PDF annotator software, which enables you to easily annotate PDF files on Mac and Windows. One of the best PDF annotators is PDFelement Pro.

If you want an app that gives you flexible features for both annotating and reading books and other PDF documents on your iPad, then check out Adobe Acrobat Reader. Availability: iPhone, iPad, Android, and the web. Cost: Free with in-app purchases for plans that let you export, combine, and do more with PDFs. It's a good app and I wish they'd update it. Also, check out the publish tool. Believe it or not, you can actually have two or more people editing the same PDF simultaneously.via Xodo's html viewer, android app, iOS app, windows phone app, W8.1 app, or W10 app.and it actually works! You can see their annotations within seconds.

Part 1. Top 10 PDF Annotator for Windows and Mac Users

1. PDFelement Pro (Windows & Mac)

A top of the line PDF editor, PDFelement Pro also works as an excellent PDF annotator for PDF documents. It has a similar style to Microsoft Word, which makes it even easier for those who are more familiar with Microsoft Office programs. You can annotate your PDFs with a wide range of tools like, highlight,underline, strikethrough, wave line, shapes, sticky note, text fields and hand drawing to leave comments on a PDF to collaborate with your colleagues.

Pros:

• Annotate PDF files with sticky notes, text boxes, and freehand drawing tools.
• Add highlights, underline text, or strikethrough text using the vast amount of annotation tools.
• You can modify PDF text, links, images, and pages.
• Convert PDF to Word, Excel, PPT, EPUB, images, and vice versa.
• Supports Password protection to keep the document from unwanted and unauthorized changes.
• OCR scanned PDFs and combine, split, and compress PDF files.

Cons:

• Free trial will add watermark to PDF.

2. PDF Annotator（Windows)

A simple yet powerful annotator for PDF documents, PDF annotator allows users to highlight, underline or make notes and drawings on a PDF page. One great feature of the software is the ability to restore the document to its original page in one click, effectively removing the annotations without damaging the file or its layout.

Pros:

• Align annotation function available for an easy to view and organized layout.
• Add stamps including date stamps, customized stamps are also available with virtually limitless option.
• Add images to an existing PDF file.
• Group and lock annotation.
• Take a snapshot of the work you are doing.

Cons:

• Could not handle large PDF files without sacrificing performance, making it impossible to edit and annotate files with several pages like eBooks.
• App is just specialized for annotation purpose.

3. Microsoft OneNote (Windows & Mac)

Microsoft OneNote is a digital notebook, which is available for Windows, Mac, iOS, Android and web. You can use it to annotate PDF files, and it provide flexiable and powerful annotate tools, such as sketches, lists, clippings, photos, tables and more. It is one of the most user-friendly PDF annotator tools in the market.

Pros:

• Supports voice and video function.
• Provides cloud storage services and syncing notes across your devices.
• Share works on social networking sites like Facebook, Twitter and Tumbler.
• Interactive web browser feature.

Cons:

• No private encryption.

4. Xodo PDF Reader (Windows & Mac)

Install hp deskjet printer for mac os. Xodo PDF Reader works as a good PDF annotator for Windows and Mac devices. The free PDF annotator tool lets users take notes, comment, print, manage and even add bookmarks on a PDF page.

5. PDF Max (Mac)

Annotating and commenting on PDF documents on a mobile device is easy with this PDF annotator Mac. It can help you annotate PDF documents with highlights and handwriting, insert PDF texts and stamps and more. This PDF annotation software is designed for desktop and mobile users and provides a cross-platform program for synchronizing documents.

6. Expert PDF Reader (Windows)

Sticky notes, text highlighting and strikethroughs are some of the features which are added to this PDF annotator free. This application is though to be one of the most user-friendly PDF annotators. There are a number of social media platforms added as well. The PDF bookmarking and comment addition is also very valuable with this program. It also has a number of tools which can be used to easily create separate sets of PDF annotations. You can easily review annotations before submitting them for the ultimate convenience.

7. PDF-XChange Viewer (Windows)

PDF-XChange Viewer is best PDF annotator free for users who are used to Microsoft Word. Since the layout is similar to MS Office, the interface is very easy to learn for beginners. There are many annotation tools available in the PDF annotation software. This program includes the following features: highlight tool, strikethrough, note tools, and drawing tools. You will get a pleasant viewing experience with full optimiztion features.

8. Nitro Reader (Windows & Mac)

Nitro Reader does not have a ton of advanced tools, but is still a very useful PDF annotaion software. There is a limit of tools which are available, and it doesn't include more advanced annotation tools. The bookmarks, already added annotations and social media sharing is possible however, and standard annotation can be performed, ensuring that the PDF appears clean and professional. PDF files can also be converted to text and vice versa using this program.

9. Adobe Acrobat Reader (Windows & Mac)

There aren't many PDF annotation software that can match the level of adobe acrobat reader. This is a system based program which is completely free to download and install. There is a wide range of PDF annotation tools which can be used easily. From adding notes to rotating the your file, this program has it all. Signatures can be added and modified PDFs can be easily stored to the system. It also allows the users to easily print the documents as well.

10. Foxit Reader (Windows & Mac)

This is another free PDF annotator that has all the functions you need. It includes the type write tool, note highlighter, strikethrough, double strikethrough, underline and pencil. The interface is easy to use and therefore it is rated highly by users. Digital stamps, scales, and area highlighters are some of the other functions available as well. The annotations can easily be printed separately and social media sharing has been embedded.

Thanks to PDF annotators, students and professionals can annotate PDF documents much more easily. Transform your work productivity with handy online tools like the ones mentioned above. With a number of programs to choose from, it is best to choose the one which is packed with important and useful features that best suit your needs. Collaborate seamlessly with other users with the tools we have outlined above.