Free CEFR level checker

How advanced does your English sound? One sentence tells you.

Paste any English sentence and get its CEFR level, from A1 to C2, in about a second. See exactly what lifts it — the grammar you use, the words you pick, the way you link ideas — and what it takes to write one level higher.

  • Free, no sign-up
  • Results in about a second
  • Grammar, vocabulary and linking scored separately

One sentence at a time. If you paste a paragraph, only the first sentence is checked.

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Estimated level

Your level appears here

Type a sentence above, or tap one of the examples.

Grammar

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40% of the level · Confidence —

How the sentence is built: one simple clause, clauses joined with and/but, or subordinate and inverted structures.

Vocabulary

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30% of the level · Confidence —

The rarest word in the sentence. One advanced word is enough to lift the level, even if the rest is simple.

Linking words

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30% of the level · Confidence —

The most advanced connector used — from and/but, through although and therefore, to notwithstanding.

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