Analyze
Text Difficulty Checker
Estimate reading difficulty from syntax, lemma frequency, and vocabulary density.
Language tools
Choose a language, narrow by category, and open the tool you need.
Start here
Pick a language to see available tools. Some tools are early versions and may change quickly.
Showing tools for
English
Analyze
Estimate reading difficulty from syntax, lemma frequency, and vocabulary density.
Utilities
Count repeated words, inspect top terms, and get a quick lexical breakdown from pasted text.
Experiments
Answer a few questions to get a rough estimate of your English vocabulary range.
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