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How to use it
Choose a vowel and tone to insert a marked pinyin letter. Type or paste a line, then copy the result.
Before you use the result
Tone marks belong on the main vowel: use a or e first, and the o in ou. The pinyin chart provides syllable examples.
To keep a word for later, use the text reader and save it to your desk. You can export your study data from Settings & data.