Annotate PDF

PDF annotations are a combination of a markup drawing and a comment. You can attach text, video or audio to the comment.

PDF Annotation Interface

When viewing a PDF, toolbars will appear at the top and bottom of the document. The functions of each button, displayed left to right, is outlined below.

Top PDF Document Toolbar

  1. Sidebar toggle – Open a panel that shows thumbnails of each page
  2. Search – Look for keywords
  3. Navigate pages – Use the arrows to jump between pages, or enter a page number
  4. Zoom – Use the [–] or [+] buttons to zoom, or select a zoom preset

Bottom Annotations Tool bar

  1. Arrow – Draw an arrow annotation
  2. Dot – Draw a dot annotation
  3. Circle – Draw a circle annotation
  4. Rectangle – Draw a rectangle annotation
  5. Highlight – Highlight text
  6. Strikethrough – Cross out text
  7. Free hand drawing –  Draw any design
  8. Pan – Hover cursor over a drawing to jump to
    the comment, or drag the PDF page to navigate
  9. Trash – Click on a drawing to delete it
  10. Move – Click to move or resize a drawing
  11. Toggle text – Hide (or show) text attached to drawings
  12. Toggle drawings & text – Hide (or show) all annotations
  13. Fullscreen – Expand the PDF to fill the screen
  14. Undo – Discard your most recent change
  15. Redo – Bring back your most recent change

Add an Annotation

  1. Select an area in the PDF by using the arrow, dot, circle, rectangle, highlight, strikethrough or free hand drawing tools and a new comment box will pop up.
  2. Decide on the type of annotation you want to add:
    1. Text annotation
    2. Audio annotation
    3. Video annotation
  3. Click Save

Reply to an Annotation

  1. In the right panel, click on the Reply located below each annotation comment.
  2. A text box will appear for you to reply with text, audio, or video.
  3. (Optional) Check the box beside “Private” if you only want the author of the comment to see your reply
  4. Click Save