guidetojapanese.org/learn/category/grammar-guide/the-writing-system/
Guide to Japanese writing systems covering hiragana, katakana, and kanji with pronunciation guidance, stroke order information, and practice exercises for beginning learners.
Kanji and kanaPronunciation and intonationGrammarHiraganaKatakanaPronunciationStroke orderPitch accentHandwritingFreeParticles