문서뷰어 - 한글·PDF·오피스

The document viewer is a read-only viewer that opens Hangul (HWP·HWPX), PDF, Word, Excel, PowerPoint, text, Markdown, CSV, and source code files.

Documents are processed only within the device, and the app does not have network access permissions.

[Supported Formats]

- Hangul: hwp, hwpx

- PDF: pdf

- Word: docx, doc

- Excel: xlsx, xls, csv

- PowerPoint: pptx, ppt

- Text: txt, md, markdown

- Code: 63 extensions (30 languages) including py, java, kt, js, ts, json, xml, html, css, c, cpp, h, cs, go, rs, swift, php, rb, pl, lua, r, sql, sh, yaml, toml, ini, etc.

[Key Features]

- Page Document: Displays Hangul, PDF, Word, and PowerPoint in the original page layout. Choose from 1 continuous page, 2 continuous pages, page turning one by one, or page turning two by two.

- PDF: When zoomed in, the visible portion of the screen is redrew for clear text.

- Table: Displays sheet tabs, merged cells, and cell fill colors. Zoom in and out with two fingers, and view tables with many columns on a single screen.

- Text/Code: Displays line numbers and syntax highlighting, and adjusts font size with two fingers. Turns automatic line wrapping on and off in the settings.

- Markdown/CSV: Switches between the rendered/cell view and the original text. Also draws Mermaid diagrams within Markdown.

- Password Document: Opens password-protected HWP/HWPX, PDF, Word, Excel, or PowerPoint (formats 97-2003 and 2007 and later) documents by entering the password. The password is not saved.

- Search: Finds text within the document and navigates to the result location.

- Export: Saves Hangul, Word, PowerPoint, Text, Code, or Markdown documents as PNG images or PDFs. PDF documents are saved as PNG.

- File Explorer: Folder navigation, grouping documents in subfolders, filter by format, recent documents, favorites

- Opens documents received via "Open" or "Share" from other apps. It identifies the format based on the content, even for files with incorrect extensions.

- Themes: Light, Dark, Deep Dark (black background)

[Permissions and Privacy]

- It does not have internet permissions, so it does not send documents externally. There are no advertisements or analytics tools.

- It does not modify original documents.

- The "Access All Files" permission is optional. If allowed, you can view folders in the built-in storage within the app's file explorer; if not allowed, only folders selected from the system folder selector are displayed.

[Restrictions]

- There is no function to edit documents.

- Documents protected by Digital Rights Management (DRM) and PDFs encrypted with certificates cannot be opened.

- Scanned PDFs without text information cannot be searched.

Hancom & Hangul (HWP) are trademarks of Hancom Inc., and Microsoft, Word, Excel, and PowerPoint are trademarks of Microsoft Corporation. The document viewer is an independent app unrelated to these companies.