About PDF Annotator
Our PDF Annotator tool allows you to add notes, highlights, underlines, drawings, shapes, and stamps to your PDF documents. This is perfect for reviewing documents, marking up research papers, adding comments to contracts, or preparing study materials. All processing happens directly in your browser - your files never leave your computer, ensuring maximum privacy and security.
How to Annotate PDF Files
- Upload your PDF file by dragging and dropping it or clicking the "Choose File" button.
- Use the toolbar to select annotation tools:
- Text Tool: Add text notes anywhere on the document
- Highlight Tool: Highlight important text
- Underline/Strikethrough: Mark text for emphasis or deletion
- Draw Tool: Freehand drawing on the document
- Shape Tool: Add rectangles, circles, arrows, and lines
- Stamp Tool: Add common stamps like "Approved," "Draft," etc.
- Customize annotations with different colors and line widths.
- Navigate between pages using the page controls.
- Use undo/redo buttons to correct mistakes.
- Click the "Save Annotated PDF" button when finished.
- Download your annotated PDF document.
Features
- Comprehensive annotation tools (text, highlights, drawings, shapes)
- Multiple color options for all annotation types
- Adjustable line width for drawings and shapes
- Common stamps for document review
- Undo/redo functionality
- Page navigation and zoom controls
- 100% free with no watermarks
- Private and secure - no server uploads
Premium Features - Available for Free!
Most PDF annotation services charge for these premium features, but JPG2Go offers them completely free:
- Unlimited annotations
- Advanced drawing tools
- Custom stamps
- High-resolution output
- No file size limits
