Annotate PDF Documents Online
Add highlights, notes, and annotations to PDF files
How to Annotate PDF Documents Online
Upload PDF
Select your PDF document to annotate
Add Annotations
Choose highlight color and add custom notes
Download
Get your annotated PDF with all highlights and notes
PDF Annotation Tool
Add highlights, notes, and annotations to your PDF documents
Annotation Methods
Text Highlighting
Highlight important passages with customizable colors
Perfect for studying, reviewing, and marking key information
Sticky Notes
Add detailed notes and comments to specific sections
Ideal for feedback, instructions, and detailed comments
Document Markup
Add various markup elements for comprehensive review
Great for collaborative document editing and review
Why Annotate PDFs?
Study & Review
Highlight key information for better retention and study
Team Collaboration
Share annotated documents with comments for team reviews
Content Organization
Mark important sections for quick reference later
Annotation Tips
Complete Guide to PDF Annotation
PDF annotation is essential for reviewing, studying, and collaborating on documents.
Common Use Cases
Academic Research
Highlight key findings and add research notes.
Legal Review
Mark critical clauses and add case notes.
Business Documents
Add feedback and approval notes to reports.
Education
Annotate study materials with notes and highlights.