CVLA3.0: CEFR-based Vocabulary Level Analyzer

CVLA assigns CEFR-J levels to words based on 8 textual features using the CEFR-J Wordlist. The level of the input text is determined based on 6 features, with the minimum and maximum values excluded to ensure stable results. For more details, please read our paper. If you have any questions or suggestions, please send your feedback via this form. CVLA2.0 is available here.
This website is created by Satoru UCHIDA (kyudai.uchida.lab[at]gmail.com).


Text Input Mode

Word count: 0 Please enter between 10 and 1000 words.

Sample 1(Simple Wikipedia) | Sample 2 (Center Exam 2018 Q3B-1) | Clear


File Mode

Files should be in UTF-8 format. Only .txt files are allowed. Maximum of 30 files, each up to 10KB.

Papers

Uchida, S., & Negishi, M. (2018) Assigning CEFR-J levels to English texts based on textual features. In Y. Tono and H. Isahara (eds.) Proceedings of the 4th Asia Pacific Corpus Linguistics Conference (APCLC 2018), pp. 463-467. [PDF]
内田諭・根岸雅史(2021)「英語読解教材のCEFRレベルの推定 : CVLAの妥当性評価」Journal of Corpus-based Lexicology Studies, 3, pp.1-14. [Link]
Uchida S., & Neigishi, M. (to appear) Estimating the CEFR-J level of English reading passages: Development and accuracy of CVLA3『英語コーパス研究』32. [Link]

History

Feburary 9, 2025: CVLA 3.0 released.
October 23, 2024: CVLA 3.0 beta released.

Links

CVLA 2.0
CEFR-J Project