Doc OP: PDF, Diary, Task, Note
Oklau.Tech Productivity In-app purchases Contains ads
Scan docs to PDF, annotate & draw on pages, OCR, secure diary & task reminders.
- Price
- Free
- In-app purchases
- Updated
- Oct 12
- 2026 · v2.6.0
Screenshots
About Doc OP: PDF, Diary, Task, Note
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: [email protected]
• Privacy Policy: https://sites.google.com/view/docop-okalu/
Download DocOP today and experience the smartest pocket scanner, PDF annotator, and productivity hub!
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: [email protected]
• Privacy Policy: https://sites.google.com/view/docop-okalu/
Download DocOP today and experience the smartest pocket scanner, PDF annotator, and productivity hub!
What’s new
Version 2.6.0 · Updated October 12, 2026
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.