Tip: When searching for these documents online, use specific search terms like "Jōyō Kanji stroke order PDF free," "JLPT N1 vocabulary list PDF," or "Kyōiku Kanji printable writing sheets." Step-by-Step Strategy to Master the 2136 Kanji
Use your PDF as a "dictionary." Read a Japanese article on NHK Easy News. Every time you find an unknown kanji, search for it in your PDF (using Ctrl+F if it's a digital PDF). Highlight it. The act of searching solidifies the memory.
Both Onyomi (usually written in Katakana) and Kunyomi (written in Hiragana) must be clearly distinguished.