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HWP to PDF

by kathar0s
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Description

Converts HWP/HWPX files to PDF (and optionally Markdown) on creation, fully offline using a WebAssembly renderer. No external server or API key required. - This plugin has not been manually reviewed by Obsidian staff.

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Latest Version

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Changelog

See all version on GitHub

README file from

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HWP to PDF

Convert Korean HWP / HWPX documents to PDF (and optionally Markdown) the moment they land in your vault — fully offline. Conversion runs through a Rust + WebAssembly renderer (@rhwp/core), so no external server, upload, or API key is involved. Your documents never leave your machine.

Features

  • Automatic conversion when an .hwp / .hwpx file is added (or run it manually via the command palette).

  • Three output styles, chosen in settings:

    Output Colour & photos Searchable Size
    Image-based PDF exact, like the original yes (invisible text layer) large
    Text-based PDF black & white, no photos yes, pixel-perfect highlights tiny
    Markdown note — yes very small

    Image-based PDFs embed an invisible text layer (each run horizontally scaled to match the page image) so they are searchable with well-aligned highlights. Markdown reconstructs paragraphs and tables (merged cells become HTML tables).

  • Offline & private — everything runs locally via WebAssembly.

  • Korean / English UI — follows your app language.

Settings

  • PDF conversion mode — image-based, text-based, or none.
  • Markdown note — also extract the text as a .md note.
  • Convert on add — auto-convert new files, or command-only.
  • Delete original after conversion — move the source file to the trash.
  • Render scale / JPEG quality — image-based PDF resolution and size.

Limitations

  • Image-based PDFs are large; text-based PDFs render all text in a single bundled font (NanumGothic) and omit colour and embedded photos.
  • Output quality depends on the @rhwp/core renderer; complex tables, equations, or unusual fonts may not be perfectly reproduced.
  • Desktop only.

Development

npm install
npm run build   # type-check, then bundle to main.js (WASM + font inlined)

The build inlines the WASM renderer and the font into main.js, so the release ships just main.js, manifest.json, and styles.css.

Credits & licenses

  • @rhwp/core — HWP/HWPX WebAssembly renderer (MIT)
  • pdf-lib and @pdf-lib/fontkit (MIT)
  • NanumGothic font © Naver Corp. (SIL Open Font License 1.1)

This project is released under the MIT License. See LICENSE.

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