Resize images through the URL
You can resize images by passing a size parameter in the query string portion of the URL. The size parameter replaces the larger of the height or width parameters.
EXAMPLE: http://<your_domain>/images/<library_name>/image.png?size=200
By default, this feature is turned off. To enable it, perform the following:
- Navigate to Administration » Settings » Advanced.
- In the tree, click Libraries » Images.
- Select Allow unsigned dynamic resizing of images checkbox.
- Save your changes.
IMPORTANT: This is a legacy functionality and it might cause performance issues.