About PDF Annotator — Highlight, Draw, and Add Text Annotations to PDF
Add rich annotations to any PDF directly in your browser. The PDF Annotator supports 7 annotation tools: selection, highlight, rectangle, line, arrow, freehand drawing, and text boxes. Choose custom colors, opacity, and stroke width for each tool. Navigate through all PDF pages with per-page thumbnail rendering. Click to select and delete individual annotations. All annotations are applied to the PDF using pdf-lib (text, highlight rectangles, and lines are embedded into the actual PDF on download). Annotations are visible in any PDF reader.
✨ Key Features of Our PDF Annotator — Highlight, Draw, and Add Text Annotations to PDF
- ✓7 annotation tools (highlight, rect, line, arrow, draw, text, select)
- ✓Custom colors & opacity
- ✓Multi-page support
- ✓Annotations embedded in PDF
- ✓Select & delete annotations
- ✓Per-page thumbnail rendering
📖 How to Use PDF Annotator — Highlight, Draw, and Add Text Annotations to PDF
Upload PDF
Drop your PDF into the annotator.
Choose Tool
Select highlight, rectangle, arrow, text, or draw.
Annotate
Click or drag on the PDF canvas to annotate.
Save PDF
Click Save PDF to download the annotated version.
❓ Frequently Asked Questions
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