Common study tools
Text metrics, quiz builders, vocabulary conversion, and review planning tools that work across languages.
Study tools at a glance
Open available tools now. Upcoming tools will appear here when they are ready to use.
Word and sentence counterLive
Reading time calculatorComing soon
Speaking time calculatorComing soon
Text difficulty calculatorComing soon
Vocabulary diversity calculatorComing soon
Repeated word detectorComing soon
Word frequency analyzerLive
Sentence length analyzerComing soon
Random word test generatorComing soon
Random word pickerComing soon
Dictation exercise generatorComing soon
Cloze test generatorComing soon
Word scramble quizComing soon
Sentence order quizComing soon
Vocabulary CSV generatorComing soon
Anki card converterComing soon
SRT subtitle word extractorComing soon
Subtitle sentence cleanerComing soon
Study time plannerComing soon
Word goal date calculatorComing soon
SM-2 review schedulerComing soon
Forgetting curve review scheduleComing soon
Pronunciation symbol lookupComing soon
IPA input toolComing soon
IPA reading quizComing soon
Minimal pair practiceComing soon
Syllable count calculatorComing soon
Rhyme searchComing soon
Synonym and antonym quizComing soon
Frequently asked questions
Which listed features can I open now?
Only items labeled Live link to working pages. Planned items are listed for discovery and do not open until they are available.
Does this use external translation APIs?
No. This slice uses static data and browser-side calculations only.