Check the CEFR Level of Any Text

-∞ (white) means the word's CEFR level is below A1 — these words usually don't affect comprehension regardless of the reader's level. +∞ (red) means the word's CEFR level is above C2 or the word is not recognized by the models.

The decimal indicates the learning stage within a CEFR level, on a scale of 1 to 9. For example, A2.7 means the text is at the high end of A2, while C1.1 means it is at the low end of C1. The decimal should always be rounded down — A1.9 is still A1.

"Native" means the vocabulary level is above C2, which is off the standard CEFR chart. These words are typically only known by native speakers.

Yes, you can do that on our CEFR Dictionary at nexthub.cathoven.com/dict. The text analyzer requires context (30+ words, 2+ sentences) because a word's CEFR level depends on its part of speech, which requires surrounding context.

Cathoven is more comprehensive than most CEFR analyzers. While simpler tools only check vocabulary lists, Cathoven analyzes vocabulary, grammar, tenses, sentence structures, phrases, and clauses. It is used by top universities and cited in over 50 peer-reviewed scientific articles.

Yes, the CEFR Checker works for both reading and listening texts. You can choose the file type on the analyzer page.

Yes, you can use CEFR Checker results in commercial products with clear attribution: "Analysis by nexthub.cathoven.com".

First, the word is checked against Cathoven's database — the largest CEFR word database in the world, combining data from world-renowned dictionaries. If the word is not in the database, an advanced NLP model estimates its level using usage frequency, part of speech, and other linguistic aspects.

CEFR (Common European Framework of Reference) classifies language proficiency into six levels: A1 to C2. The Cathoven CEFR Checker analyzes any English text and highlights each word by its CEFR level, giving you vocabulary, grammar, tense, clause, and sentence-level difficulty scores instantly.

Yes. You get 3 free analyses without signing up. Create a free Cathoven Language Hub account for additional daily analyses. No credit card is required.

Cathoven CEFR analysis is validated by Columbia University research as top-tier in text difficulty analysis and is cited in over 50 peer-reviewed scientific articles.

Yes. Paste any English text up to 250 words in the simple version (or longer texts in the full Language Hub version) and get an instant CEFR level breakdown covering vocabulary, grammar, tense, clause complexity, and sentence structure.