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What does it diagnose exactly?

Each test evaluates 10-12 grammar families with 15 questions in real exam format. It detects frequent error patterns — it does not replace full preparation.

Do I need to register?

No. Completely free, no registration, no personal data. The result is calculated in your browser.

Which exams can I diagnose?

B2 First (FCE) and C1 Advanced (CAE) from Cambridge, and Aptis General from British Council. Each with questions adapted to its level and format.