Chinese Pinyin Annotator
Annotate Chinese with pinyin.
🈶Chinese Pinyin Annotator
All processing happens locallyWhat this tool does
Chinese Pinyin Annotator is a tool that adds pinyin to hanzi, all processing happens locally in your browser, so pasted content never reaches a server.
Results update as you type; copy them into your document or sheet.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
Each character maps to its most common reading with no context disambiguation, so proofread for formal use.
Yes, choose "pinyin only" to output just the romanisation.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.