Why English Educators Rely on This Tool
Engineered strictly for language acquisition principles—not generic chatbot filler.
Exact A1–C2 Band Classification
Evaluates lexical density, sentence length, grammatical structures, and syllable patterns against CEFR standards.
Color-Coded Vocabulary Density
Highlights words by CEFR level so teachers instantly spot lexical bottlenecks before handing materials to students.
Actionable Simplification Advice
Provides specific recommendations on how to level a text down for younger or lower-proficiency cohorts.
How to Use in Your Daily Teaching Prep
From idea to classroom-ready handout in 3 simple steps.
Choose Topic & CEFR Band
Select your target proficiency (A1–C2), lesson duration, vocabulary focus, or paste your authentic source text.
Instant Calibrated Output
Classira creates the complete lesson plan, audio script, quiz, or worksheet with answer keys in under 5 seconds.
Save to Cloud & Export
Tweak in our rich TipTap editor, print clean student handouts, copy to clipboard, or store in your unified cloud library.
Frequently Asked Questions
Everything you need to know about CEFR Level Checker.
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Combine with complementary generators for a complete lesson package.
Text Simplifier
Adapt authentic news articles for mixed-ability learners while preserving critical grammar.
Reading Text Generator
Generate custom reading passages (A1–C2) with comprehension checks and glossaries.
Linguistic Lens
Spot phrasal verbs, analyze grammar formulas, scan AWL words, and create 3-tier leveled texts.
Ready to Cut Your Lesson Prep Time by 80%?
Join thousands of English language educators delivering engaging, CEFR-calibrated lessons with Classira.