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PDF & Image OCR Tool
Extract readable text from scanned PDF files and photos locally in your browser.
Drag & Drop a scanned PDF or image here
Recognizing text...
关于我们 PDF OCR Text Extractor
Extract copyable, editable text from scanned PDF files and image documents using optical character recognition (OCR). Tesseract.js processes image patterns directly inside browser Web Workers.
如何使用 PDF OCR Text Extractor 逐步说明
01
Upload Scanned PDF
Select a scanned PDF file or document image.
02
选择 OCR 语言
Choose English, Spanish, French, German, or target language.
03
Run OCR Engine
Click 提取文本 to initiate Tesseract Web Worker OCR.
04
Copy or Download
Use Copy Text, Download .TXT, or Clear Text buttons.
主要功能与技术优势
- Client-Side Optical Recognition: Tesseract.js OCR engine runs inside Web Workers.
- 100% Private Document Extraction: Confidential scans are never uploaded to cloud APIs.
- Multi-Page Support: Automatically scans and extracts text page-by-page.
- Multi-Language OCR: Supports English, Spanish, French, German, and major languages.
- One-Click Export: Copy directly to clipboard or download as a .TXT file.
技术规格与安全细节
| 技术规格 | 详细说明 |
|---|---|
| 工具名称 | PDF OCR Text Extractor |
| 支持的输入格式 | Scanned PDF / Image Files |
| 输出格式 | TXT Text / Copyable String |
| 处理引擎 | Tesseract.js Client-Side Web Workers |
| 隐私与安全 Status | 🔒 100% 客户端本地私密处理（零服务器上传） |
| 文件大小限制 | 无限制（取决于本地浏览器可用内存） |
| 浏览器兼容性 | Chrome, Safari, Edge, Firefox, iOS Safari, Android Chrome |