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Chinese image to text (OCR)

Image never leaves this browser

Extract Chinese text from images and scanned PDFs. Simplified is selected; switch to Chinese (Traditional) for Taiwan and Hong Kong text, or to a vertical model for top-to-bottom columns.

For mixed text such as Hindi with English words
Helps photos of paper; turn off for coloured screenshots

How to use it

  1. Check that the language is Chinese; tick Also read English if the text mixes in English words.
  2. Drop the image or scanned PDF, or paste a screenshot with Ctrl+V. The first run downloads the language data.
  3. Copy the text or save it as a .txt file. Check names and numbers against the original.

Details

Engine
Tesseract 5 LSTM via tesseract.js 7 (Apache-2.0), running in a Web Worker in this tab
Language
Chinese, or any of 120+ Tesseract languages from the list. Mixed-language text: tick Also read English
Input
JPG, PNG, WebP, HEIC, screenshots pasted with Ctrl+V, and scanned PDFs (up to 30 pages, rendered at 200 DPI)
Download
The engine and the language data, a few megabytes each, fetched once from jsDelivr and cached by the browser
Output
Plain text you can copy or save as .txt, with Tesseract's confidence score per image

Questions

Is my image uploaded?

No. Text recognition runs in this tab with Tesseract compiled to WebAssembly. The only downloads are the engine and the language data (from the jsDelivr CDN, cached after the first time); your image is never part of any request.

Simplified or Traditional?

Choose the model that matches the image: Simplified for mainland China and Singapore, Traditional for Taiwan, Hong Kong and Macau. The wrong one lowers accuracy sharply.

Does it translate the text?

No, it only reads it. Paste the result into a translator if you need another language.