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Professional OCR Features

Powerful Free OCR
Features

Discover the professional features of our free online PDF OCR tool,
experience industry-leading text recognition technology and user-friendly design.

100K+
Trusted Users
Global users trust our free online PDF OCR tool
99%
Recognition Accuracy
Industry-leading OCR text recognition accuracy
24/7
Online Service
Free online PDF to text, always available
EN+CN
Supported Languages
Free English and Chinese PDF text recognition
0
Usage Cost
Completely free online OCR service
Usage Limit
Unlimited free usage

Core Features

Every feature is carefully designed and optimized to provide you with the best PDF text recognition experience

AI Intelligent OCR Recognition

Advanced Tesseract OCR engine combined with deep learning algorithms ensures text recognition accuracy up to 99%. Free online OCR tool supports complex document recognition.

99%
accuracy
Instant
speed
Smart
support

Technical Features

  • Deep learning-based character recognition algorithm
  • Automatic document layout analysis and optimization
  • Intelligent character segmentation and feature extraction
  • Adaptive recognition for various fonts and sizes
  • Text extraction capability under complex backgrounds

English and Chinese Recognition

Perfect support for English and Chinese mixed recognition, specially optimized for bilingual character recognition. Free online English-Chinese PDF to text, unlimited usage.

EN+CN
languages
Optimized
chinese
Supported
mixed

Technical Features

  • Support English and Chinese character recognition
  • English, numbers, punctuation recognition
  • Intelligent processing of mixed language documents
  • Optimized for English-Chinese documents
  • Special symbols and formula recognition capability

Multi-Format Compatibility

Supports scanned PDFs, image PDFs, text PDFs and other formats, accurate recognition regardless of type. Free online processing of various PDF formats.

All Formats
formats
HD
quality
100%
compatibility

Technical Features

  • Scanned PDF document recognition processing
  • Image-based PDF content extraction
  • Text-based PDF direct reading
  • Mixed format PDF intelligent recognition
  • High-resolution document optimization processing

Lightning Fast Online Processing

Local processing technology, no need to upload files to server, fast processing speed, short response time. Online PDF OCR tool with instant response.

Instant
speed
Local
local
Real-time
realtime

Technical Features

  • Browser local OCR processing engine
  • No file upload required, instant recognition
  • Multi-core parallel processing optimization
  • Intelligent caching acceleration mechanism
  • Real-time progress display and feedback

Privacy Security Protection

All operations completed locally in browser, files never uploaded to any server, ensuring your privacy and security. Free and secure PDF text recognition.

100%
security
Protected
privacy
Zero Storage
storage

Technical Features

  • 100% local processing, zero upload risk
  • File data never leaves your device
  • No server storage, use and delete immediately
  • GDPR privacy protection standard compliant
  • Enterprise-level security guarantee mechanism

One-Click Copy Export

One-click copy of all text content after recognition, supports formatted output, convenient for subsequent editing. Free online PDF to text export.

One-Click
copy
Maintained
format
Convenient
export

Technical Features

  • One-click copy of all recognized text
  • Maintain original paragraphs and formatting
  • Support selective text copying
  • Compatible with various text editors
  • Formatted output options

Technical Advantages

Built with latest technology to ensure optimal performance and user experience

Advanced Technical Architecture

Based on WebAssembly technology, runs high-performance OCR engine in browser, achieving localized text recognition processing.

Enterprise-Level Security

All data processing completed locally, meets enterprise security standards, suitable for confidential document processing needs.

Cross-Platform Compatibility

Supports Windows, Mac, Linux and all operating systems, runs perfectly in any modern browser.

Experience Powerful OCR Features

Start using our free online PDF OCR tool now and experience all professional features. No registration required, no download needed, open your browser and start using.