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:
- Click on the Comment icon (or highlight text with the select tool)
- Select the spot on the page where you want to leave a comment
- Type your comment, tag a collaborator and click comment
Comment on text:
- With the select tool in the Lumin toolbar
- Double click on the text you want to highlight
- Select comment from the text annotation toolbar
- Type your comment, tag a collaborator and click comment
How to Markup a PDF

- Click on the Freehand tool icon in the Lumin toolbar
- Select the color, thickness, opacity of the pencil
- 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

- Click on the Highlight icon in the Lumin toolbar
- Choose the line thickness, color, style
- 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

- Click on the Shape Tools icon in the toolbar
- Select the shape you want to use
- Click and drag your cursor where you want to insert your shape
- The shape will automatically be inserted into the selected area
How to Add Image to PDF

- Click on the Image tool icon
- Click on your document where you want the image to be inserted
- Find and open the image from your files
- Resize your image by dragging on one of the four corners
- Select image by clicking it, and move where you want it
How to Remove Annotations from your PDF

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