While many websites offer these lists, the "best" PDF or digital versions typically come from communities that have digitized the original iKnow! Core 6000 curriculum.
Mastering the Core 6k generally allows you to understand roughly 90% of the words in a typical newspaper, but that final 10% contains the most critical context words. 6000 most common japanese words pdf best
Many learners prefer using Anki for its spaced repetition system. The Core 2k/6k Optimized Deck includes audio, images, and example sentences to provide context for each word. While many websites offer these lists, the "best"