Tone marks vs numbers vs plain?

Diacritics (mā) suit teaching; numeric tones (ma1) help sorting; plain pinyin fits URLs or simple indexes.

How are polyphonic characters handled?

Default readings cover common cases—ambiguous chars in names or idioms may need manual review.

Latin letters, digits, and punctuation usually pass through; only Han characters become pinyin.

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Convert Chinese to pinyin with tone marks, numbers, or plain style.

Convert Chinese to pinyin with pinyin-pro. Tone marks, numbers, or plain style.

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Tone marks vs numbers vs plain?: Diacritics (mā) suit teaching; numeric tones (ma1) help sorting; plain pinyin fits URLs or simple indexes.
How are polyphonic characters handled?: Default readings cover common cases—ambiguous chars in names or idioms may need manual review.
Are non-Chinese characters kept?: Latin letters, digits, and punctuation usually pass through; only Han characters become pinyin.