A professional-grade ebook and document format converter leveraging the Calibre ebook-convert CLI.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install calibre-convert
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install calibre-convert using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Calibre Convert?
The calibre-convert skill is a powerful integration for Openclaw Skills designed to handle seamless transitions between various ebook and document formats. By utilizing the robust ebook-convert engine, it allows developers and researchers to transform files like Markdown, HTML, and DOCX into polished EPUBs or PDFs with precision.
This skill serves as a bridge between raw content and e-reader-ready formats, ensuring that metadata and structural integrity are maintained during the process. Whether you are automating a publishing pipeline or organizing a digital library, this utility provides a reliable interface for high-fidelity document transformation.
Calibre Convert Use Cases
- Converting Markdown documentation into EPUB format for offline reading on mobile devices.
- Batch transforming legacy MOBI or AZW3 files into modern EPUB standards.
- Generating PDF versions of HTML reports or DOCX files for professional distribution.
- Automating the creation of ebooks with custom metadata such as author names and chapter markers.
How Calibre Convert Works
- Input Validation: The skill confirms the existence of the source file and ensures the destination path is valid.
- Environment Check: It verifies that the Calibre ebook-convert utility is accessible via the system PATH or standard installation directories.
- Command Execution: It triggers the conversion process, passing any user-defined tuning parameters or metadata flags to the underlying engine.
- Result Verification: The skill monitors the process for errors, confirms the creation of the new file, and provides a summary of the output path and any relevant warnings.
Calibre Convert Setup
Ensure that Calibre is installed on your system. You can verify the installation or run a conversion directly using the provided helper script within the Openclaw Skills environment:
# Basic conversion
./scripts/convert_with_calibre.py /path/to/input.epub /path/to/output.pdf
# Conversion with specific metadata tuning
./scripts/convert_with_calibre.py /path/to/book.md /path/to/book.epub -- --chapter "//h:h1" --authors "Author Name"
Calibre Convert Data Schema & Taxonomy
The skill manages data through direct file manipulation and utilizes the following organizational structure:
| Component | Description |
|---|---|
| Source Files | Supported formats include EPUB, MOBI, AZW3, DOCX, HTML, and Markdown. |
| Output Files | Generated based on the extension provided (e.g., .pdf, .epub). |
| Scripts | scripts/convert_with_calibre.py handles path validation and CLI forwarding. |
| Reference | references/examples.md contains troubleshooting notes and template commands. |
Calibre Convert Advanced Features
- Custom Flag Forwarding: Pass advanced Calibre arguments after the -- delimiter for granular control over font scaling and CSS.
- Path Autodiscovery: Intelligent detection of Calibre binaries on macOS and Linux systems.
- Metadata Injection: Dynamically assign authors, titles, and chapter structures during the conversion lifecycle.
- Batch Readiness: Designed to be wrapped in loops for bulk library processing within Openclaw Skills workflows.
SKILL.md
Loading
Related Openclaw Skills
Xueersi Idiom Chain Game
An interactive AI-powered Chinese idiom chain game designed to help users master chengyu through gamified learning and difficulty-based challenges.
China Beauty Factory Skill
A comprehensive intelligence tool for navigating China's trillion-yuan beauty manufacturing landscape and regional supply chain clusters.
China Electronic Components Suppliers Guide
A comprehensive intelligence tool for international buyers to navigate the 2026 China electronic components manufacturing landscape using Openclaw Skills.
Chinese Listed Company Compliance Assistant
A professional AI-driven compliance assistant designed for Chinese listed companies to manage regulatory requirements and information disclosure.
GitHub Trend Analyzer
A powerful analysis tool that monitors GitHub Trending to identify hot projects and emerging technical directions.
PPT Icon Generator
A versatile tool for generating, searching, and converting transparent PNG icons tailored for professional PowerPoint presentations.
Featured*
