PDF files are one of the most common and convenient formats for sharing and storing documents. Whether it’s for work, study or personal use, you may want to annotate these PDF documents to improve comprehension, communication, and collaboration. A PDF annotator tool can help you to review, comment, highlight, underline, strikethrough, add text, sign PDFs and more.
However, annotating PDF files can be a hassle if you don’t have the right tools. Some PDF tools are too basic, some are too complex, some are too expensive, and some are too unreliable. That’s why you need to find the best PDF annotation program for Windows that can match your needs and expectations. If you’re on the hunt for such tools, keep scrolling!
One of the most popular and helpful apps to annotate PDF files that you should consider using is Advanced PDF Editor. It’s a highly versatile PDF tool that allows users to read, edit, convert, compress and annotate PDF files with ease. The best part is, it also supports batch processing and cloud integration to enhance your overall PDF editing experience.
But that’s not the only PDF annotator available in the market, we’ve reviewed more such tools that give you more features and functionalities to get the job done. So, let’s explore them!
Top Paid & Free PDF Annotator Software To Use In 2025
PDF annotation can help you highlight important information, provide feedback, or express your thoughts on a PDF document. Learn which are the most suitable tools for the task:
List of Contents
1. Systweak PDF Editor
Systweak PDF Editor is an all-new innovative solution designed to simplify PDF editing and annotation experience. The PDF tool offers a wide array of functionalities, such as the ability to read, edit, organize, convert,annotate, add comments, highlight, underline, and print documents with ease. Additionally, users can also apply stamps, compress files, redact sensitive information, merge, split PDFs & more. Besides, fine-tuning the documents, it also offers advanced functionalities to password-protect confidential files and add digital signatures to ensure authenticity & security when sharing it. The best part is, that Systweak PDF Editor gets regular updates for a seamless experience.
Wondershare PDFelement is a comprehensive and professional PDF reading and manipulation tool that can help you create, edit, convert, sign, and annotate PDF files with ease. It comes with a perfect blend of basic and advanced features, such as OCR, form filling, data extracting, redaction, and encryption. With its free trial version, users can easily annotate PDF files by adding comments, text, shape, markup, and drawing. You can buy a license to get more features & support.
3. SwifDoo PDF
SwiftDoo PDF is a user-friendly PDF editing and annotation software for Windows 11, 10, 8, and 7 PC. The application comes with a wide range of features, including highlight, underline, strikeout, sticky notes, text box, stamp, shape, pencil, and eraser. The application allows annotating PDF documents quickly even for heavy files of 600 pages. The PDF annotator tool features a Word-like interface, which makes it easy to use for both newbies and pro users. SwiftDoo PDF is pretty lightweight and doesn’t hog your precious resources.
4. Nitro PDF Pro
Nitro PDF Pro is a suitable PDF reader and annotator designed for Windows and Mac users. The application comes loaded with a variety of features such as easily viewing, commenting, annotating, editing, and collaborating documents with ease. It also has easy-to-use PDF signing tools to add the validity and authenticity of digital documents. It even supports batch security and receives regular updates to enhance the overall PDF editing experience. The user interface is similar to the Microsoft Office apps for easy adaptation.
5. PDF Annotator
PDF Annotator is a standalone tool designed for fulfilling all your PDF needs. The application allows you to add notes, comments, images, draw freehand, sign, highlight, lock annotations, and more. With the help of PDF Annotator, you can easily remove or hide all markup with a single click and even combine documents, copy, reorder, and remove unwanted pages as per your needs and preferences. The best part? PDF Annotator comes with a unique presentation mode that lets you deliver interactive presentations in meetings or lectures.
Which Software Will You Choose To Annotate PDFs Like A Pro?
I have personally tried all of these PDF annotation apps and found them very useful and effective. My favorite one is Systweak PDF Editor because it has all the features and functions that I need to read, edit, and annotate PDF files with ease. It also has a user-friendly interface and a fast performance that can save precious time and effort.
Depending on your needs and preferences, you can choose the one that works best for you. We hope this blog has helped you find the best PDF annotation software for Windows .
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