1 Hear any phrase
Tone marks (nǐ hǎo) or numbers (ni3 hao3), spaced or run together. Add the characters to apply the 一 and 不 changes.
Samples:
said written, where a rule changes it levels 1 (low) to 5 (high)
2 Tone-pair ear drill
Twenty two-syllable patterns. Listen to learn them, then quiz yourself: hear a hum, tap the pattern.
Tap a square to hear its word hummed, then said by the device voice if this browser has one.
3 Phrases or a pinyin check AI
The page checks every reply: one valid syllable per character, the tone changes, the tone load and the verdict are all recounted here.
The reply could not be read. Here it is as it came:
4 Take it with you
Notebook
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