japanesewithanime.com/2017/12/katakana.html
A guide to katakana, one of the three Japanese writing systems, with charts mapping katakana to romaji, explanations of uses including loan words and onomatopoeia, and notes on diacritics and compound kana for beginners.
Kanji and kanaKatakanaKanaHiraganaAppsDictionariesMangaAnime