Doc OP: PDF, Diary, Task, Note

Contains adsIn-app purchases
Content rating
Everyone
1+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

DocOP by Oklau Tech is your complete, all-in-one productivity suite: a lightning-fast document scanner, powerful PDF annotator with Drawing Studio, smart OCR text extractor, private locked diary, and intelligent task reminder—all packed into a sleek, lightweight app.

Whether you are a student digitizing notes, a professional annotating contracts, or anyone keeping track of daily thoughts and tasks, DocOP simplifies your workflow without clutter or complicated menus.

✨ KEY FEATURES AT A GLANCE:

📄 1. ULTRA-FAST DOCUMENT SCANNER
• Instant camera scan with automatic edge detection and perspective correction.
• Crystal-clear document enhancement filters: Magic Color, Crisp B&W, Grayscale, and Original.
• Multi-page batch scanning: Capture dozens of pages in seconds and combine them into a single PDF.
• Quick crop, rotate, reorder, and realign pages with fluid gestures.

🎨 2. DRAWING STUDIO & PDF ANNOTATIONS (NEW in v2.5!)
• Full Drawing Studio with Fine, Medium, and Bold pen styles.
• Highlighter tool for marking important text passages.
• Text Box Annotations: Place typed notes directly on PDF pages with Small, Medium, and Large font sizes.
• Stroke Eraser: Precisely remove individual strokes or annotations with full Undo/Redo support.
• Multi-color palette: Choose from a full range of ink colors.
• Export flattened PDFs with all annotations permanently burned in for sharing.

🔍 3. ADVANCED ON-DEVICE OCR (TEXT RECOGNITION)
• Powered by Google ML Kit: Extract text from scanned documents, receipts, and images instantly.
• Copy extracted text with one tap, share to WhatsApp, email, or save directly as a note.
• Works 100% offline—your sensitive documents are never uploaded to unknown servers.

🛠️ 4. ALL-IN-ONE PDF UTILITIES & TOOLS
• Merge & Split: Combine multiple PDFs or extract specific pages.
• Compress PDF: Reduce file sizes for quick email and WhatsApp sharing without losing readability.
• PDF to Images & Images to PDF: Convert between formats in a single click.
• Password Protection: Lock sensitive PDFs with strong encryption.
• Digital Signatures: Add your signature or custom watermarks directly onto any document.

🔒 5. SECURE PRIVATE DIARY & NOTES
• Keep your daily thoughts, journals, and confidential notes protected with a 4-digit PIN lock.
• Rich text formatting, tags, and search to organize your life.
• Audio voice notes: Record quick voice memos directly attached to your diary entries.

⏰ 6. TASK MANAGER & TIMELY REMINDERS
• Never miss a deadline, bill payment, or meeting.
• Set exact date and time alarms with reliable notifications.
• Clean checklist interface with instant completion toggles.

🎨 7. PREMIUM, USER-CENTRIC DESIGN
• Built with modern Material 3 design and dynamic dark mode.
• Interactive spotlight guide to help you master every tool in seconds.
• 100% privacy-friendly: Your scans and data stay strictly on your device.

👑 GO PREMIUM WITH DocOP PRO
Upgrade to DocOP Pro for an uninterrupted experience:
• 100% Ad-free productivity.
• Unlimited cloud backup and device sync.
• Priority document processing and advanced export options.
• Affordable monthly, yearly, and lifetime plans.

🛡️ PRIVACY & SECURITY FIRST
DocOP respects your privacy. All scans, notes, and local files are processed on your device. We do not sell or harvest your data.

📧 SUPPORT & FEEDBACK
Developed with passion by Oklau Tech.
Got feedback, feature requests, or need assistance? Reach out to us:
• Email: oklau.com@gmail.com
• Privacy Policy: https://sites.google.com/view/docop-okalu/

Download DocOP today and experience the smartest pocket scanner, PDF annotator, and productivity hub!
Scan docs to PDF, annotate & draw on pages, OCR, secure diary & task reminders.
Updated on
Oct 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App info and performance
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

What's New in v2.6.0:
• NEW Drawing Studio: Annotate PDFs with Fine, Medium, Bold pens, Highlighter & palette.
• NEW Text Box Annotations: Place typed notes on PDF pages with adjustable fonts.
• NEW Stroke Eraser: Precision eraser tool with full Undo/Redo.
• NEW Flattened PDF Export: Share annotated documents with notes burned in.
• Scrollable pen toolbar and responsive tab layout.
• General stability improvements & performance fixes.