rhwp - HWP Document Viewer & Editor

Open and edit HWP/HWPX files directly in your browser. No installation, no ads, free. rhwp is a free and open-source extension that lets you open, edit, and print HWP/HWPX documents directly in your browser. No separate software installation required. Auto-open HWP/HWPX files in the viewer when downloading from the web Document editing: text input/modification, table editing, formatting Printing: Ctrl+P for print preview, save as PDF or send to printer Save edited documents as HWP files Open files via drag & drop Auto-detect HWP links on web pages and display an icon (badge) Document info preview card on mouse hover Right-click menu: "Open with rhwp" HWPX documents can now be opened/edited and saved through the improved HWP conversion path. Directly saving back to the original HWPX format is still limited as a beta feature. All processing happens in the browser via WebAssembly (WASM) Files are never sent to any external server No ads, no tracking, no sign-up required We do not collect any personal information HWP link integration via the data-hwp-* protocol Built-in developer tools (rhwpDev) for debugging Developer guide provided Recommended for: Citizens viewing government and public-sector documents Parents checking school newsletters Office workers reviewing contracts and reports macOS/Linux users without Hancom Office Anyone who does not want to install separate software just to open HWP files MIT licensed — free for personal and commercial use. This update bumps the library core from v0.7.9 to v0.7.13. It focuses on HWPX rendering/save compatibility, exam/public-agency document layout parity, and browser-extension UX. [HWPX → HWP Save Compatibility] • Improved table/cell axis contracts, cell LIST_HEADER materialization, and gradient BORDER_FILL serialization • Improved serialization of cell inner margins, cell background image fill mode, and cell vertical alignment • Implemented memo control serialization and improved memo style preservation • Fixed table-of-contents field markers and page text output • Improved paragraph-control save paths including page-number hide and page-number restart • Resolved multiple Hancom corruption/interrupted-render cases across hwpx-h-01/02/03, mel-001, aift, exam_kor, and exam_social fixtures [HWPX Rendering Parity] • Improved master pages (even/odd/last), headers, and footers • Improved paragraph numbering, paragraph borders, and exam passage boxes • Improved textbox positioning, gradient fills, and rounded-corner rendering • Improved SVG and web-canvas parity against Hancom-converted fixtures including exam_kor.hwpx, exam_social.hwpx, and hwp3-sample16-hwp5.hwpx [Pagination / Layout Fixes] • Fixed HWPX treat_as_char table LINE_SEG height over-inflation • Improved nested table page splitting, picture pushdown/vpos double counting, and multi-column endnote vpos handling • Improved caret movement around TAC shapes and repeated spaces [Browser Extension UX] • Added guidance when local file:// access is disabled for HWP/HWPX files • Reduced duplicate local downloads when opening local HWP/HWPX files in Chrome/Edge • Bundled rhwp core 0.7.13 WASM [Known Limitations] • Direct save back to the original HWPX format remains limited as a beta feature • Some complex HWPX → HWP save cases will continue to be improved in later releases