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.
News
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May 6, 2025: The desktop version of CVLA3 has been developed and is now available as a beta release (please note it may take about 30 seconds to launch). Feel free to contact me if you notice anything unusual (kyudai.uchida.lab[at]gmail.com).
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May 6, 2025: The CWLA, a tool for estimating CEFR-J levels in writing, is now available.
Text Input Mode
File Mode
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
May 7, 2025: The UI of this page has been updated.
May 6, 2025: The desktop version of CVLA3 (beta) released.
Feburary 9, 2025: CVLA 3.0 released.
October 23, 2024: CVLA 3.0 beta released.
Links
The desktop version of CVLA3
CVLA 2.0
CWLA (CEFR-based Writing Level Analyzer)
CEFR-J Project