TTBJ (Tsukuba Test-Battery of Japanese)
This free test can be accessed worldwide. We provide individual and group exams.
Basic Kanji Plus
You can study kanji from a beginner to an intermediate-advanced level, through their reading and their sound. The stroke order is shown as well.
You can check conversations based on a can-do list. Registered users can post their own example conversations.
You can learn conversation, listening and speaking from a beginner to an intermediate level.
JACOP（Japanese Conversation Practice）
A collection of conversation videos based on the textbook "SITUATIONAL FUNCTIONAL JAPANESE". The textbook audio is also available.
This bulletin board with translation function allows you to ask other people questions about issues you encounter in daily life in Japan.
Tsukuba Web Corpus
This large-scale Japanese corpus of 1.1 billion words built from Japanese website contents allows you to investigate word co-occurrence relationships.
Japanese Learner's Dictionary
This Japanese-English/English-Japanese dictionary for learners of Japanese contains about 230,000 entries.
Vocabulary or kanji used in any given Japanese text can be checked for their level.