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PDFelement: PDF Editor, Scanner

Edit, Convert, Annotate PDF

 OPEN
logo
PDFelement: PDF Editor, Scanner

Edit, Convert, Annotate PDF

 OPEN

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Annotate PDF on iOS - Draw PDF

PDFelement for iOS transforms your device into a digital sketchpad for PDFs, offering natural drawing tools that capture handwritten notes, diagrams, and markups with precision. The pressure-sensitive drawing engine mimics real pen behavior for professional-grade annotations.

Drawing Features:

  • Pressure-sensitive ink technology
  • Customizable brushes (size/opacity/color)
  • Shape recognition (auto-straightens lines)
  • Palm rejection for natural writing
  • Layer-based drawing system

Step 1: Activate Drawing Tools

  1. Open document in PDFelement
  2. Select "Comment" tab
  3. Tap "Pencil" icon
  4. Choose between:
    • Freehand pen
    • Highlighter
    • Shape tools
Drawing tools interface
Accessing drawing tools palette

Step 2: Create Custom Markups

  1. Adjust brush properties:
    • Drag "Thickness" slider
    • Select color from palette
    • Set opacity level
  2. Draw directly on document:
    • Underline key text
    • Circle important items
    • Add handwritten notes
  3. Use two-finger undo gesture
Active drawing interface
Creating freehand annotations

Pro Technique: For technical drawings, enable "Shape Detection" in settings - the tool will automatically perfect circles, arrows, and rectangles as you draw. Combine with the layer system to create complex diagrams that remain editable.