Text Compactor is a free online tool for summarizing and simplifying text. It is extremely user-friendly and requires no login so it's a perfect tool for students to add to their own toolkits of resources.
Just copy and paste some digital text into the box, use the slider to determine the percentage of text you want to end up with, and view the simplified text.
Use it as a tool to help struggling readers of all ages. Try it at textcompactor.com.