Use this tool to add tone marks to pinyin or to convert tone number (e.g. hao3) to tone marks.

Although you can use the red buttons to add tone marks, we highly recommend you use the number method (e.g. hao3) for speed and placement of the accent above the correct vowel. [Hint: Type "v" for "ü"]
Note: You do not need to use this tool to enter pinyin in this dictionary.

Here’s What the Written Chinese Elves Have Been Up To April 22 – May 6 2018

We’ve just updated our Written Chinese Dictionary app for Android and added a few cool features that we know you’re going to love!

Android V2.4 Update


  • – New Details Display function helps you easily customize the word details section to fit your study needs
  • – More easily mark Chinese learning blog posts as ‘liked’
  • – New My Notes and My Favorites section: an organized view of all your notes and your favorite learning stuff
  • – UI optimized
  • – Bug fixes, including the stroke animation bug 


If your suggestion doesn’t appear in this version of the dictionary, don’t worry! We’ll be updating again soon! If you have any suggestions, please feel free to get in touch either via the app or by emailing


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