Open-source licenses and notices
InstantDocView uses the open-source software and typefaces listed below. We thank every author, and in line with their licenses we provide the copyright notices and full license texts.
Notices
This product was developed with reference to the HWP file format documentation published by Hancom Inc.
"Hangul", "Hancom", "HWP" and "HWPX" are registered trademarks of Hancom Inc. Microsoft Word, Excel and PowerPoint are trademarks of Microsoft Corporation. InstantDocView is an independent service and is not affiliated with, sponsored by or endorsed by these companies.
Main components
| Component | Version | License |
|---|---|---|
| @rhwp/core | 0.8.7 | MIT |
| @rhwp/editor | 0.8.7 | MIT |
| docx-preview | 0.4.1 | Apache-2.0 |
| pdfjs-dist | 6.4.299 | Apache-2.0 |
| xlsx | 0.20.3 | Apache-2.0 |
| pptx-preview | 1.0.7 | ISC (package metadata; see README terms) |
| jszip | 3.10.2 | (MIT OR GPL-3.0-or-later) |
| marked | 18.1.1 | MIT |
| dompurify | 3.4.17 | (MPL-2.0 OR Apache-2.0) |
| cfb | 1.2.2 | Apache-2.0 |
| pako | 1.0.11 | (MIT AND Zlib) |
| pretendard | 1.3.9 | OFL-1.1 |
| lucide-react | 1.61.0 | ISC |
| next | 16.4.2 | MIT |
| react | 19.3.1 | MIT |
pptx-preview declares ISC in package.json but does not include a separate LICENSE file. Its publisher's README permits free personal and commercial use of the npm package and separately restricts use of the source. Those original terms are reproduced in the notices below.
Copyright notices and full license texts for all 51 packages, including transitive dependencies: third-party-licenses.txt
HWP editor (rhwp-studio)
Edward Kim's rhwp (MIT License) is self-hosted on this site for viewing and editing HWP and HWPX files. The editor is built from the original source without modification. External web fonts (CDN) are disabled, and a few decorative typefaces whose redistribution terms we could not confirm (Cafe24 Ssurround and Supermagic, Happiness Sans) are not included.
- rhwp license (MIT)
- rhwp third-party license list (Rust crates in the WASM engine, typefaces)
- Full license texts of npm packages bundled in the editor (canvaskit-wasm and others)
- Typefaces bundled with the editor and their licenses (SIL Open Font License 1.1, GUST Font License)
Typefaces
The site interface uses Pretendard (Copyright 2021 Kil Hyung-jin, SIL Open Font License 1.1). Its full license text is in the pretendard entry of third-party-licenses.txt. Proprietary Hancom and Microsoft fonts used inside documents are not distributed; they are replaced with fonts installed on your device or with the open-source typefaces above.