Library subtitle analysis

HSK character frequency heatmap

Every HSK 2025 character is shown in a square grid. Darker color means the character appears more often across all published lesson subtitles. Hover or focus a cell for pinyin, meaning, and occurrence count.

Videos analyzed

Distinct HSK characters heard

2,424

78.5% of 3,088 HSK 1–9 characters

Character appearances total

354,466

across all published lesson subtitles

HSK hanzi list HSK words list Back to lessons

HSK 1

246 of 246 characters (100.0%) appear in subtitles

HSK 2

125 of 125 characters (100.0%) appear in subtitles

HSK 3

278 of 284 characters (97.9%) appear in subtitles

HSK 4

429 of 441 characters (97.3%) appear in subtitles

HSK 5

403 of 431 characters (93.5%) appear in subtitles

HSK 6

329 of 413 characters (79.7%) appear in subtitles

HSK 7-9

614 of 1,148 characters (53.5%) appear in subtitles