HwpForge is an open-source pure Rust library designed for programmatic control over Hancom HWPX documents, the latest format used by Korea's most popular word processor. It features an LLM-first design, enabling seamless integration between AI-friendly Markdown and the official HWPX document format for both generation and interpretation.

Is HwpForge open source?

Yes, licensed under Apache-2.0.

HwpForge: An open-source pure Rust library designed for programmatic control over … (★ 13, Apache-2.0)

Features

01Full HWPX document codec supporting read, write, and lossless roundtrip operations.

02Bidirectional Markdown bridge for HWPX documents, enabling conversion between Markdown and HWPX.

03Comprehensive CLI tool for document conversion, inspection, and editing of HWPX files.

04MCP server integration allowing AI agents to directly create, validate, and edit HWPX documents.

Why choose it

+Full HWPX document codec supporting read, write, and lossless roundtrip operations.

+Converting existing HWPX documents to Markdown format for analysis by Large Language Models (LLMs).

+Covers 3 supported environments or platforms, which is helpful for broader deployment needs.

+Ships with a public repository and a Apache-2.0 license, which makes adoption and review easier.

Trade-offs

!There are at least 8 related tools in the same category, so the best choice is easier to make after side-by-side comparison.

Compatibility

Rust

Runtime

Verified via docs

NPM/JavaScript

Runtime (MCP Bindings)

Verified via docs

MCP (Model Context Protocol)

AI Tool Integration

Verified via docs

Quick start

$ cargo install hwpforge-bindings-cli

Use cases

↳Converting existing HWPX documents to Markdown format for analysis by Large Language Models (LLMs).

↳Generating new HWPX documents from Markdown content programmatically or through AI agents.

↳Inspecting and extracting specific sections or content from HWPX files as JSON for precise AI editing.

↳Patching existing HWPX documents by replacing specific sections with updated JSON data.

How it compares

≈HwpForge sits in the Data Processing category, so it makes more sense to evaluate it alongside tools like mirascope instead of in isolation.

≈If your main need is closer to "Converting existing HWPX documents to Markdown format for analysis by Large Language Models (LLMs).", that use case is a better lens for comparison than broad feature checklists alone.

≈HwpForge uses a Apache-2.0 license, and community traction are both easier to judge in category context.