Japanese study tools
Use a tool when a calculation or a drill is the decision. The written explanation on each page still works with JavaScript off.
Hiragana and katakana quiz
Drill hiragana and katakana in the browser. No account. Misses stay on this device so you can review the weak rows next.
7 min readJapanese conjugation drill
Type polite, negative, past, te-form, and later verb voices for a curated in-repo list. Misses show the rule.
8 min readJapanese study stack builder
Pick the smallest useful Japanese stack from the site's editorial catalog. The written tree still works with JavaScript off.
8 min readJLPT weekly study planner
Enter a level, weekly hours, and comfort. The page splits time by official section lengths. It does not predict a pass.
8 min readSRS workload simulator
See how new cards turn into later reviews. The projection uses a published interval ladder. It is not Anki, FSRS, or WaniKani.
9 min read