Highlight Important Text
Emphasize key information with highlights.
Highlight and Comment on PDF with iMZi PDF
Highlight important content, add comments, and collaborate on PDF documents with simple online annotation tools.
Review PDFs with Highlights and Comments
Provide clear feedback by highlighting text and adding notes.
Whether you are reviewing reports, contracts, assignments, research papers, or proposals, highlights and comments help communicate feedback clearly.
With iMZi PDF, you can annotate your documents while preserving the original formatting and download the updated PDF instantly.
How to Highlight and Comment on a PDF
Annotate PDFs in three simple steps.
1. Upload Your PDF
Select the PDF document you want to review.
2. Highlight and Comment
Mark important text and add comments wherever needed.
3. Download Your PDF
Save your annotated PDF instantly.
Why Choose iMZi PDF
Review and collaborate on PDFs with professional annotation tools.
Add Comments
Leave notes and feedback anywhere in your PDF.
100% Private & Secure
Files are processed locally in your browser.
Works Everywhere
Annotate PDFs from desktop, tablet, or mobile.
Review PDFs Online
Use iMZi PDF to highlight text and add comments to contracts, reports, assignments, research papers, and other PDF documents.
Popular Annotation Tasks
People use iMZi PDF to review documents and provide feedback using highlights and comments.
Review reports
Proofread text
Mark contracts
Team feedback
Study notes
Client review
Frequently Asked Questions
Find answers to common questions about this tool.
Ready to Review Your PDF?
Use iMZi PDF to highlight, comment, and collaborate on PDF documents with ease.