The lab: try Zhihuzhe in your browser.
No account and nothing to install. For the pronunciation check, a quiet room and headphones help.
Connecting to the lab…
Check your pronunciation
Pick a sentence, press Record and read it aloud. You’ll get every syllable back marked, with scores and a note on what to fix. Your browser will ask to use the microphone.
Chat with a teacher
Choose a teacher and your level, then say hello. Replies come with pinyin over every character. Write in English whenever you get stuck.
Say hello to Xiao Lin. Write in Chinese if you can, or in English if you’d rather start there.
Add pinyin to any text
Paste a message, a menu or a paragraph from your textbook and get pinyin with tone marks over each character.
Hear it read aloud
Type any sentence and choose one of five voices. Play it as often as you like before you try saying it yourself.