Vocab List Trad/Simp beta

Pinyin annotation — in testing

Add pinyin to a book.

Upload a Mandarin EPUB and get back a copy with pinyin added above the characters you choose — skip the ones you already know, keep it on the rest.

Mandarin only In testing

Choose a Mandarin book, or drag it here

Which characters get pinyin

Skip characters more common than rank Skip characters rarer than rank Minimum occurrences in book Maximum occurrences in book

An independent, personal project — not a funded product. This page is for testing the pinyin feature and isn't linked from the main site yet.