CtrlK
BlogDocsLog inGet started
Tessl Logo

ocr

Extract text from images using Tesseract OCR

59

Quality

48%

Does it follow best practices?

Impact

Pending

No eval scenarios have been run

SecuritybySnyk

Advisory

Suggest reviewing before use

Optimize this skill with Tessl

npx tessl skill review --optimize ./examples/skill/skills/ocr/SKILL.md
SKILL.md
Quality
Evals
Security

OCR Image Text Extraction Skill

Extract text from images using Tesseract OCR engine.

Capabilities

  • Extract text from image files (PNG, JPG, JPEG, GIF, BMP, TIFF)
  • Support for 100+ languages
  • Optional image preprocessing for better accuracy
  • Output in plain text or JSON format with confidence scores

Usage

Basic OCR

python3 scripts/ocr.py <image_file> <output_file>

With Options

# Specify language (default: eng)
python3 scripts/ocr.py image.png text.txt --lang eng

# Chinese text
python3 scripts/ocr.py image.png text.txt --lang chi_sim

# Multiple languages
python3 scripts/ocr.py image.png text.txt --lang eng+chi_sim

# With image preprocessing (improves accuracy)
python3 scripts/ocr.py image.png text.txt --preprocess

# JSON output with confidence scores
python3 scripts/ocr.py image.png output.json --format json

Download and OCR from URL

# OCR from remote image
python3 scripts/ocr_url.py <image_url> <output_file>

# With options
python3 scripts/ocr_url.py https://example.com/image.jpg text.txt --lang eng --preprocess

Parameters

  • image_file / image_url (required): Path to local image or image URL
  • output_file (required): Path to output text/JSON file
  • --lang: Language code (e.g., eng, chi_sim, jpn, fra, deu). Default: eng
  • --preprocess: Apply image preprocessing (grayscale, thresholding) for better accuracy
  • --format: Output format (text/json, default: text)

Common Languages

LanguageCode
Englisheng
Chinese (Simplified)chi_sim
Chinese (Traditional)chi_tra
Japanesejpn
Koreankor
Frenchfra
Germandeu
Spanishspa
Russianrus
Arabicara

Supported Image Formats

PNG, JPG, JPEG, GIF, BMP, TIFF, WEBP

Dependencies

  • Python 3.8+
  • pytesseract
  • Pillow (PIL)
  • tesseract-ocr (system package)

Installation

# Python packages
pip install pytesseract Pillow

# Tesseract OCR engine
sudo apt-get install tesseract-ocr  # Ubuntu/Debian
sudo yum install tesseract           # CentOS/RHEL
brew install tesseract               # macOS
Repository
trpc-group/trpc-agent-go
Commit

8763418

Last updated
Created

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.

Claim skill