100% Free Forever

Annotate PDFs for Free

Our PDF annotator instantly annotates, marks up, and comments on text or images in PDFs, helping you to highlight important information.

200M+ Users
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G2 Excellence
✅ Windows, Mac, Linux ✅ Android & iOS ✅ Cross-platform Sync
PDF Annotation Features

Annotate PDFs However You Like

With WPS Office PDF Annotator, you can easily highlight, comment, and markup PDFs with professional annotation tools that make your documents come alive.

How to annotate a pdf
Markup PDF

Markup PDF with Professional Tools

With WPS Office PDF Annotator, you can easily highlight and underline text in a PDF document. It helps to quickly find the important information from a large PDF file.

  • Add Notes and Comments: You can point out and share the important idea with others directly by adding notes or comments to a PDF.
  • Handwrite on PDF: PDF documents will look nice with annotating by drawing tools with shapes.

Colorful PDF Annotation Made Easy

This free annotation tool lets you effortlessly mark up text using a range of colors. With just a click, you can highlight specific areas, or you can choose to highlight by sentence or paragraph, making your PDFs look even better.

Multiple Color Options

Choose from various highlight colors for different content types

Smart Selection

Highlight by sentence, paragraph, or custom selection

How to highlight a pdf
Colorful Annotations

Annotate PDFs Anywhere Anytime

When you're annotating PDFs just the way you like, WPS Office PDF annotator goes the extra mile with cross-platform syncing. With a single account, you can sync files across Windows, Mac, Android, and iOS devices.

Windows Mac Mobile

A Faster, Easier Way to Annotate

Starting from opening your PDF document, you can use the Highlight, Comments, and Notes features to annotate PDFs. Additionally, WPS Office provides a variety of colored pens, so you can easily emphasize key information.

Highlight Comments Notes

OCR PDF Support

If you've got scanned PDFs, like e-books or textbooks, WPS Office PDF annotator is the way to go. Its OCR PDF feature can turn scanned PDFs into searchable, editable documents.

OCR Ready Searchable
How to Annotate PDF for Free

Simple Annotation Workflow

1

Open a PDF

Open your PDF document in the WPS Office PDF annotator. Simply launch WPS Office and select the PDF file you want to annotate - no external uploads needed.

2

Annotate your PDF

Navigate to 'Home' > 'Highlight', then select the color and text you want to annotate. Choose from multiple colors and annotation styles.

3

Comment on PDF

Select 'Comment' > 'Note Mode' to make your notes on the PDF. Add detailed comments and share your insights with others.

Open a PDF in WPS Office
The Convenient PDF Annotator for Everyone

Convenient PDF Annotator for Everyone

Annotate PDFs anywhere anytime

When you're annotating PDFs just the way you like, WPS Office PDF annotator goes the extra mile with cross-platform syncing. With a single account, you can sync files across Windows, Mac, Android, and iOS devices. This means you can annotate wherever you are and access your PDFs whenever you need them, no matter which device you're using.

A faster, easier way to annotate a PDF

Starting from opening your PDF document, you can use the Highlight, Comments, and Notes features to annotate PDFs. Additionally, WPS Office provides a variety of colored pens, so you can easily emphasize key information in your PDFs. You can also use the handwriting tool for annotations, making it as simple and seamless as taking notes in a book.

Complete PDF & Office Suite

Explore More Features

WPS Office offers a comprehensive suite of PDF tools and office applications alongside the AI Photo Enhancer. From PDF editing to document creation, get everything you need in one powerful platform.

What Else You May Want to Know

FAQs & Hot Topics

Find answers to common questions and explore popular guides about PDF annotation.

FAQS

Join 200M+ Users Worldwide

Start Annotating PDFs. Completely Free.

Experience the most powerful PDF annotator with cross-platform sync, colorful highlights, and professional annotation tools - all free forever.

100% Free

No limits, no watermarks

Cross-Platform

Windows, Mac, Mobile

Professional Tools

Highlights, notes, comments

100% Free Forever
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Install in 30 Seconds

Available on all platforms:

Windows
macOS
Mobile
Linux

Start Annotating PDFs for Free

Experience professional PDF annotation with cross-platform sync - completely free.