Stark Office: PDF, Word, Sheet

Stark Lab

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About this app

Stark Office — PDF, Word, Excel & PowerPoint

Take your entire office wherever you go.

Stark Office is a fast, lightweight, all-in-one office suite for viewing, editing, scanning, signing, translating, protecting, repairing, and converting documents directly on your phone.

Work with 📕 PDF, 🟦 Word, 🟩 Excel, 🟧 PowerPoint, images, and text files in one clean app. Many essential tools work offline, and no account is required to get started.

📂 VIEW & ORGANIZE FILES
• Open PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX, TXT, and image files
• Browse files from your device, SD card, downloads, and supported cloud storage
• Use page thumbnails, zoom, night mode, text reflow, and document search
• Star, share, and organize recent documents
• Read multilingual files, including Chinese, Japanese, and Korean text

📕 EDIT & DESIGN PDF
• Edit PDF text, images, links, and pages
• Add text, shapes, images, stamps, headers, footers, and page numbers
• Merge, split, extract, rotate, reorder, crop, or delete pages
• Compress PDFs while preserving visual quality
• Repair damaged or poorly structured files
• Rebuild scanned PDFs into cleaner digital documents
• Add watermarks, redact content, and design custom PDF pages

🟦 WORD, 🟩 EXCEL & 🟧 POWERPOINT
• Open and edit Word, Excel, and PowerPoint files
• Format text, tables, formulas, charts, slides, and layouts
• Convert Office files to PDF
• Convert PDFs and scans into editable Office files
• Fix formatting and layout issues
• Rebuild tables from PDF into Excel

✨ SMART AI TOOLS
• Translate selected text, pages, or full documents
• Summarize long PDFs and Office files
• Rewrite, improve, shorten, or expand content
• Detect spelling, grammar, and formatting issues
• Extract text from scans and images with OCR
• Recreate scanned documents as clean editable files
• Enhance unclear scans and remove shadows or unwanted objects

AI availability may depend on the tool, file type, and internet connection.

📷 SCAN & OCR
• Scan receipts, books, contracts, notes, ID cards, and whiteboards
• Detect edges, crop, rotate, deskew, and correct perspective
• Apply smart filters to sharpen text and reduce shadows
• Save scans as PDF or image files
• Create searchable PDFs
• Convert scans into editable Word files
• Detect tables and export data to Excel
• Recognize multiple languages, including CJK scripts

🔄 CONVERT DOCUMENTS
• PDF to Word, Excel, PowerPoint, image, or text
• Word, Excel, PowerPoint, and images to PDF
• Scanned documents to searchable PDF
• Extract text, images, and tables from PDFs
• Preserve layout and formatting whenever possible

✍️ SIGN, FILL & ANNOTATE
• Add signatures, initials, dates, and stamps
• Fill PDF forms
• Highlight, underline, draw, and comment
• Add notes, callouts, shapes, and approval marks

🔐 PROTECT YOUR FILES
• Add password protection and encryption to PDFs
• Restrict editing, copying, or printing
• Unlock files you are authorized to access
• Redact confidential information
• Process supported files locally for better privacy

⚡ FAST, CLEAN & OFFLINE-FRIENDLY
• Lightweight and responsive
• Clean interface with easy-to-find tools
• No account required for basic use
• Many essential tools work offline
• Optimized for newer and older Android devices
• Optional cloud access across devices
• Files stay on your device unless you choose to upload, sync, or share them

Stark Office combines a PDF reader, editor, scanner, OCR tool, AI translator, converter, e-signature solution, spreadsheet editor, presentation viewer, and mobile office suite in one place.

Read, create, edit, repair, translate, protect, and manage documents anytime, anywhere.

🌐 Website: https://starkoffice.net
📧 Support: [e-mail]