Complete Annotation Tools
Highlight, comment, underline, and draw shapes.
Edit PDF with Annotations Using iMZi PDF
Review and annotate PDF documents with highlights, comments, shapes, arrows, underlines, and more directly in your browser.
Review and Annotate PDF Documents
Collaborate, review, and provide feedback using professional annotation tools.
Whether you are reviewing contracts, proofreading reports, marking assignments, or collaborating with your team, annotations make communication easier.
With iMZi PDF, you can highlight text, add comments, draw shapes, underline content, insert arrows, and save your annotated PDF in minutes.
How to Annotate a PDF
Review PDFs in three simple steps.
1. Upload Your PDF
Select the PDF you want to review.
2. Add Annotations
Highlight, comment, underline, draw shapes, or add arrows where needed.
3. Download Your PDF
Save your annotated PDF instantly.
Why Choose iMZi PDF
Everything you need for reviewing and annotating PDFs.
Easy Collaboration
Share clear feedback on PDF documents.
100% Private & Secure
Files stay on your device during processing.
Works Everywhere
Review PDFs from desktop, tablet, or mobile.
Annotate PDFs Online
Use iMZi PDF to review reports, contracts, assignments, research papers, forms, and other PDF documents with professional annotation tools.
Popular Annotation Tasks
People use iMZi PDF to review, comment, and annotate PDFs for work, education, and collaboration.
Highlight text
Add comments
Draw arrows
Underline text
Mark shapes
Review files
Frequently Asked Questions
Find answers to common questions about this tool.
Ready to Annotate Your PDF?
Use iMZi PDF to review and annotate PDF documents quickly and securely.