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Annotate PDF Documents in Windows PC

In this article we will talk about how to Annotate PDF Documents in Windows 11/10. Annotations are the process of adding additional information to a document. Depending on the type of annotation software you use, you can add text to your document, highlight text, add watermarks, add signatures, and much more. PDF is one of the most commonly used files. There may be times when you need to add some information to a PDF file.

PDF files are one of the most popular universal formats for document exchange. You can open and view PDF files with a variety of PDF readers, including some web browsers. However, not all PDF readers have annotation tools. Showing a PDF draft to others is not always enough. Some users also need to annotate PDF documents by adding marks, text, and shapes. below are the steps on Annotate PDF Documents in Windows 11/10.

How to Annotate PDF Documents in Windows 11/10

Paint dot net

Paint dot net is a free photo editing apps It has many image editing functions, such as rotating images, cropping images, adding watermarks to images, inverting the color of images, etc. Besides, you can add various effects to your images, such as artistic effects, blur effects, image noise, etc. After editing the images, you can save them in various formats, including PNG, JPG, TIFF, BMP, etc.

Adobe Acrobat Reader DC

Adobe Acrobat Reader DC is a very popular PDF reader. You can use it to open or view PDF files for free. However, if you want to edit PDF files with Adobe Acrobat Reader DC, you need to purchase the paid version. However, in the free version, you can annotate PDF files. Here, you get limited features to annotate a PDF file. With Adobe Acrobat Reader DC, you can add signatures, highlight text, and add comments or sticky notes to the PDF file.

PDF24 Creator

PDF24 Creator is a free software to annotate PDF files. It is a complete PDF suite that allows you to edit PDF files, merge PDF files, add watermarks to PDF files, compress PDF files, unlock PDF files, etc., in addition to annotating a PDF file. The online version is also available. If you don’t want to install the program on your computer, you can use its online version to annotate PDF files.


PDF X is an app from Microsoft Store that lets you annotate PDF files for free. You can purchase the premium plan if you want to use the premium features like converting a PDF file to Word, Excel, etc., signing a PDF file, compressing a PDF file, etc. To annotate a PDF file in PDF X, first open it and then select the “Annotations” tab. In the Annotations tab, you will find all the tools you need to annotate a PDF file.


Inky is a simple PDF annotation app for Windows PCs that lets you highlight text and make freehand drawings in your PDF. You can select different colors to highlight text and draw freehand drawings. Move the slider to change the width of the pen or brush. After you annotate a PDF file, you can save it by clicking the Save button.

Light PDF

Light PDF is an online tool that lets you annotate your PDF files for free. The time Light PDF takes to upload a PDF file depends on your internet speed and the size of your PDF file. All the tools for annotating a PDF file are available in the toolbar. You can select a specific page of a PDF file in the left pane.

PDF escape Online

PDF escape Online is a free PDF editor and annotation program. There is also a desktop version, but you have to buy it. Advertisements are displayed in the free version. If you don’t want ads on the interface, you need to purchase the premium version.  Now, click on the Upload PDF to PDF escape link and select the PDF file from your computer. You can navigate to a particular page in your PDF by selecting it from the left side. Click on the Annotate tab to view the options available to annotate a PDF. You can

Step 1: Add sticky notes to your PDF file.

Step 2: Highlight text and sentences.

Step 3: Add Caret, Strikethrough, and Underline annotations.

Step 4: Draw rectangle and oval shapes.

Doc Hub

Doc Hub is one more PDF annotation tool. Its free version has limitations. Some of these limitations are given below

Step 1: You can annotate up to 2000 documents.

Step 2: 5 eSignatures are allowed per month.

Step 3: 3 emails are allowed per day.

Step 4: You can save up to 7 signatures.

Step 5: You can add up to 3 email recipients.

To use Doc Hub, you have to create a free account on their useful website, dochub.com. This is because all the PDF files that you annotate will be saved in your account. The features that Doc Hub offers to annotate a PDF file are

Step 1: Adding images,

Step 2: Adding signatures,

Step 3: Highlighting text and sentences,

Step 4: Adding sticky notes, etc.


Xodo is a free online PDF annotation tool. Besides annotating PDF files, Xodo also has many PDF tools that let you convert a PDF file to different image formats, convert a PDF file to Word, Excel and vice versa, edit, split and merge PDF files, delete pages from a PDF file, and so on.

To annotate a PDF file, you can upload it from your computer or from Dropbox and Google Drive. You can use it to insert text into your PDF file, highlight text and sentences, underline text and sentences, strike through a text or sentence, insert notes, etc.


With PDF Bob you can edit and annotate PDF files. The free version is free from ads and watermarks. You can access all the tools for annotating a PDF file on the left side. The features that this tool offers are the same as most of the other PDF annotation programs on this list.

Final words

We hope you like our article on Annotate PDF Documents in Windows 11. Microsoft Edge is a browser that also acts as Windows 11’s default PDF software. Apart from opening PDF files, Edge also lets you annotate files online and offline. It includes drawing, text, and highlighting tools that let you annotate PDF documents. If you haven’t changed the default PDF software in Windows 11, you can open PDF files in Edge by simply double-clicking them. You can also right-click a PDF file that you want to annotate and choose Microsoft Edge from the Open With menu.

I hope you understand this article, Annotate PDF Documents in Windows PC.

James Hogan
James Hogan
James Hogan is a senior staff writer at Bollyinside, where he has been covering various topics, including laptops, gaming gear, keyboards, storage, and more. During that period, they evaluated hundreds of laptops and thousands of accessories and built a collection of entirely too many mechanical keyboards for their own use.


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