从图像中提取文本 (OCR)

使用 OCR 从图像和扫描的 PDF 中提取文本。免费在线工具。

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Extract text from scanned PDFs and images using Optical Character Recognition (OCR). Convert paper documents, screenshots, and scanned files into searchable, selectable text. Supports multiple languages for accurate recognition worldwide.

从图像中提取文本 (OCR) — 使用方法

  1. 1 Upload a scanned PDF or image file
  2. 2 Select the document language for best accuracy
  3. 3 Click Extract to run OCR processing
  4. 4 Download the extracted text or searchable PDF

常见问题

OCR supports dozens of languages including English, Spanish, French, German, Chinese, Japanese, Arabic, and many more.
Accuracy depends on scan quality. Clean, high-resolution scans at 300 DPI or higher typically achieve 95-99% accuracy.
Yes, all pages of a multi-page PDF are processed. The output contains recognized text from every page in the document.

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