- Log in to cPanel.
- Click on the “Images” option under the “Files” option.
- Click on the ‘Thumbnailer’ option.
- Select folder the images you wish to thumbnail and click on the “THUMBNAIL” button on the right side of the screen.
- Once a selection is made, cPanel will allow you to specify the percentage (%) by which you want to scale the width and height of your images. Enter the percentage in the first field under Scale Percent.
- If the “Keep Aspect Ratio” button is not already selected, select it to make the setting stable.
- Click on the “Thumbnail Images” button.
- You will get a message that the images have been thumbnailed.
