See how hard text is to read

Flesch, Gunning fog and the rest, with the reading age each one implies.

Drop a file here, or choose one, or type below.

.txt · .md · .html · .csv · up to 4 MB · processed in memory and never stored · or paste with ⌘V

Or type it in

3 credits

Doing this a lot?

Same tool, as an API.

This page calls exactly the same code you would from your own program — no daily cap, 3 credits per call. See the endpoint reference.