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How to Annotate PDF Files

Annotating a PDF with Lumin is easy to do. In this guide, you will learn how to:

  • Add Comments to a PDF
  • How to Markup a PDF
  • How to Make Comments on a PDF by Drawing
  • How to Highlight in PDF
  • How to Add Shapes to PDF
  • How to Add Image to PDF
  • How to Remove All Annotations from PDF
  • Benefits of Using PDF Annotation Tools

How to Add or Remove Comments to a PDF

Comment anywhere on your document:

  1. Click on the Comment icon (or highlight text with the select tool)
  2. Select the spot on the page where you want to leave a comment 
  3. Type your comment, tag a collaborator and click comment

Comment on text:

  1. With the select tool in the Lumin toolbar
  2. Double click on the text you want to highlight
  3. Select comment from the text annotation toolbar
  4. Type your comment, tag a collaborator and click comment

How to Markup a PDF

  1. Click on the Freehand tool icon in the Lumin toolbar 
  2. Select the color, thickness, opacity of the pencil 
  3. Mark the document wherever you want 

To delete a markup: choose the Select tool from the Lumin toolbar > click on your drawing > press delete on your keyboard.

How to Highlight Text on your PDF

  1. Click on the Highlight icon in the Lumin toolbar
  2. Choose the line thickness, color, style 
  3. Click and drag your cursor over the text you want to highlight

Pro tip: select your highlighted text to add a comment, change highlight color or delete.

How to Add Shapes to PDF

  1. Click on the Shape Tools icon in the toolbar 
  2. Select the shape you want to use 
  3. Click and drag your cursor where you want to insert your shape
  4. The shape will automatically be inserted into the selected area 

How to Add Image to PDF

  1. Click on the Image tool icon 
  2. Click on your document where you want the image to be inserted 
  3. Find and open the image from your files 
  4. Resize your image by dragging on one of the four corners
  5. Select image by clicking it, and move where you want it

How to Remove Annotations from your PDF

  1. Click on the appropriate comment, drawing, shape, image or text box 
  2. Click delete from the formatting options 
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