This site assesses the readability of websites - just copy and paste the URL. It also gives interesting information on various readability formulas.

This site allows you to use the Lexile Framework to find the level for a whole book. Type the name of a book into the upper right-hand corner of the...

This site allows you to choose from among several different readability formulas, and it formats the passage in a way that can be useful for fluency...

If you have a particular article, passage, or short story you want to use with students, this free website is a good go-to for figuring out if it's in...