More privacy by default
Text is converted in the browser without uploading it to a server; the conversion engine is built with OpenCC.
Local browser conversion
Simplified to Traditional Chinese Converter
Paste text and convert instantly. Use JianFan.app as a traditional to simplified Chinese converter, Chinese character converter, and regional wording tool without exposing technical settings.
Conversion workspace
Input, choose a direction, copy the result
Ready to load converter
Custom dictionary 0/0 enabled
Entries stay in this browser. Use identical text to protect brand names and proper nouns.
No custom entries yet
File conversion
Upload files and extract text locally in your browser
Supports TXT, CSV, DOCX, PDF, and Excel files. Content is read only in this browser and is not uploaded.
Original
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0Features
Designed for frequent text conversion
More accurate regional wording
Common modes stay visible, while Taiwan, Hong Kong, and Japanese options sit in the advanced area.
Smoother text workflow
Auto conversion, swapping, copy, and download support repeated text work for non-technical users.
Common conversion needs
Built for everyday Chinese character conversion
JianFan.app covers simplified to traditional Chinese converter, traditional to simplified Chinese converter, Chinese character converter, and convert Chinese traditional to simplified online search intent in one focused workspace.
Core conversion
Convert Simplified Chinese to Traditional Chinese, Traditional Chinese to Simplified Chinese, or handle two-way Chinese character conversion.
Regional variants
Choose Taiwan Traditional, Hong Kong Traditional, and phrase-level regional wording from the advanced options.
Text workflows
Use it for web content, social posts, subtitles, TXT text, or text copied from Word, PDF, and Excel files.
Simplified and Traditional Chinese converter app
For frequent use on macOS and Windows, the JianFan desktop app opens directly from your computer and keeps text conversion on your device.