PDF Reader & Viewer: MS office

PDF Reader and all-in-one document app for Android: open PDF, Word, Excel, PowerPoint, and Korean HWP in one place. Auto-scan finds files on your phone. Merge, compress, lock, sign, annotate, and run OCR offline—document contents stay on your device. ■ 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) - Virtual folders to organize files in-app (no moving files on disk) - Hidden vault with PIN for private documents - Sort by name, size, modified, or recently opened; filename search - List and grid views, favorites, recents - Rename, delete, multi-select (share, email, move to folder), and file info ■ Viewing - Zoom and page navigation; continuous scroll or page-by-page mode; rotate document - Page thumbnail drawer and resume where you left off - In-document bookmarks and PDF full-text search - Invert view; dark mode (light / dark / system) - Print (PDF and images); open documents from other apps ■ Create & convert - Image → PDF and PDF → Image - Scan to PDF (camera with document edge detection, multi-page) - PDF → DOC, DOC → PDF, PPT → PDF - HWP → PDF, Excel → PDF, PDF → Excel (text table extract) - On-device OCR → save as TXT ■ PDF edit tools - Merge, split, and organize pages (reorder / rotate / delete) - Compress, password-protect, and remove open password (files you own) - Watermark, e-sign (draw or image stamp), annotate (highlight / pen / notes) - Fill PDF form text fields (AcroForm) - Share results or send via a mail app ■ More - 27 languages supported (see Supported languages below; can follow device language) - Viewing, managing, converting, and editing work offline. Document contents are processed on-device and are not sent to our servers (except when you share, email, or send feedback, and when ads are shown).