OCR - Local (No API Key)

Extract text from images using Tesseract.js OCR (100% local, no API key required). Supports Chinese (simplified/traditional) and English.

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Last updated: April 23, 2026

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OCR - Image Text Recognition (Local)

Extract text from images using Tesseract.js. 100% local run, no API key required. Supports Chinese and English.

Quick start

node {baseDir}/scripts/ocr.js /path/to/image.jpg
node {baseDir}/scripts/ocr.js /path/to/image.png --lang chi_sim
node {baseDir}/scripts/ocr.js /path/to/image.jpg --lang chi_tra+eng

Options

```
--lang <langs>
```
: Language codes (default: chi_sim+eng)
- ```
chi_sim
```
  - Simplified Chinese
- ```
chi_tra
```
  - Traditional Chinese
- ```
eng
```
  - English
- Combine with
```
+
```
  :
```
chi_sim+eng
```
```
--json
```
: Output as JSON instead of plain text

Examples

# Recognize Chinese screenshot
node {baseDir}/scripts/ocr.js screenshot.png
Recognize English document
node {baseDir}/scripts/ocr.js document.jpg --lang eng
Mixed Chinese + English
node {baseDir}/scripts/ocr.js mixed.png --lang chi_sim+eng

Notes

First run downloads language data (~20MB per language)
Subsequent runs are cached locally
Works best with clear, high-contrast images
For handwritten text, accuracy may vary

OCR - Local (No API Key)

AI Skill Market Insights

Quick Start

Manual Installation

TEAR & SHARE

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OCR - Image Text Recognition (Local)

Quick start

Options

Examples

Recognize English document

Mixed Chinese + English

Notes

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