Setup & Installation
Or with the ClawHub CLI, for registry-managed skill folders outside a full OpenClaw workspace:
What This Skill Does
Extracts text from images using the Tesseract OCR engine via command line. Supports English, Chinese, Japanese, Korean, and other languages through installable language packs. No Python or additional runtime dependencies beyond the tesseract binary.
Runs directly from the command line without Python or additional runtimes, making it easy to drop into shell scripts and CI pipelines.
When to use it
- Extracting text from scanned receipts or invoices
- Reading text content from screenshots
- Processing documents with mixed Chinese and English
- Automating text extraction in shell scripts
- Converting image-based content to plain text files
Example Workflow
Here's how your AI assistant might use this skill in practice.
User asks: Extract all text from document.png, which contains mixed Chinese and English
- 1Identify the image path and required language codes
- 2Run tesseract document.png stdout -l chi_sim+eng
- 3Capture the text output from stdout
- 4Return the extracted text to the user
Plain text with both Chinese and English content recognized from the image
Requirements
Accounts, API keys, or tools you or your AI assistant may need to set up while using this skill.