PDF Reader - Doc Viewer

PDF Reader and document viewer for Android: open PDF, Word, Excel, PowerPoint, and Korean HWP in one app. Auto-scan finds documents on your phone so you can read and manage files offline.

■ Formats
- PDF (PDF reader / PDF viewer)
- Word (DOC/DOCX), Excel (XLS/XLSX/CSV), PowerPoint (PPT/PPTX)
- Korean HWP / HWPX support
- Text (TXT and similar), images (JPG/PNG/WEBP and more)

■ Document management
- Auto-scan device documents + type filters (PDF/Word/Excel/PPT/HWP/Text/Image)
- Sort by name, size, modified, or recently opened; filename search
- List and grid views, favorites, recents
- Rename, delete, multi-select, and file info

■ Viewing
- Zoom and page navigation; in-document bookmarks (PDF, Office, HWP, and more)
- Invert view; dark mode (light / dark / system)
- Open documents from other apps

■ Tools
- Image → PDF and PDF → Image
- Scan to PDF (camera with document edge detection, multi-page)
- Share files or send via a mail app

■ More
- 18 languages supported (see Supported languages below; can follow device language)
- Viewing, managing, and basic conversion work offline. Document contents stay on your device and are not sent to our servers (except when you share, email, or send feedback, and when ads are shown).