DevDuo: AI PDF Reader & Editor

In-app purchases
1K+
Downloads
Content rating
Everyone
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About this app

Welcome to DevDuo PDF, your complete AI-powered PDF workspace. Edit, merge, split, compress, convert, sign, and organize PDF documents in one beautifully designed, offline-first application. Built with a modern 3D interface and optimized for smooth performance, DevDuo PDF delivers powerful document management tools directly on your device to ensure maximum speed, privacy, and reliability. No clutter, no unnecessary applications—just one complete PDF solution.

DocuMind AI - Chat With Your PDF
Transform any document into an intelligent, interactive experience.

Chat with your PDF and ask questions to find information instantly.

Generate smart summaries of long academic reports or business documents.

Extract key points and important data seamlessly.

Explain complex legal, academic, or technical text using advanced AI analysis.

Save hours of reading time with your built-in AI PDF assistant.

Advanced PDF Editor and eSign
Transform any standard PDF into a fully editable workspace.

Sign documents securely using drawn or typed electronic signatures.

Add text anywhere on your PDF pages.

Insert images directly into your documents.

Highlight, annotate, and draw with precision markup tools.

Save as an Editable Project to pause and continue your work later.
Perfect for managing contracts, application forms, study notes, and business invoices.

Complete PDF Toolkit (100% Offline)
DevDuo PDF includes powerful productivity tools that run directly on your device, requiring no internet connection for core processing.

Merge PDFs to combine multiple files into one single document.

Split PDF files to extract specific pages effortlessly.

Compress PDF size with a live size estimation tool to save device storage.

Convert PDF to Images (JPG and PNG formats).

Convert Images to PDF for quick document creation.

Extract text from documents using the built-in OCR scanner.

Create custom files with the Text to PDF generator.
Enjoy fast, secure, and private PDF processing without ever uploading your sensitive files to a cloud server.

Rearrange and Organize Pages
Easily drag, drop, reorder, and delete pages with our intuitive visual organizer. Fix your document structure in seconds.

Secure and Private by Design
Your files stay entirely on your device.

Core document tools work 100% offline.

No mandatory cloud-based file processing.

Open and read password-protected PDFs securely.

Designed for privacy-conscious users.

Modern Interface and Accessibility
Experience document editing through a modern claymorphism design that is easy to navigate. DevDuo PDF supports both Dark Mode and Light Mode, ensuring eye comfort during long reading sessions and smooth, responsive performance across all your Android devices.

Whether you are a student, researcher, entrepreneur, or business professional, DevDuo PDF gives you everything you need to manage digital documents smarter and faster. Download DevDuo PDF today and experience the next generation of AI-powered document editing.
Updated on
Mar 16, 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
No data collected
Learn more about how developers declare collection

What’s new

🎧 Listen to PDF (Text-to-Speech)
Turn PDFs into audio with real-time highlighting, adjustable speed, and multiple voices.

🧩 Advanced PDF Merge
Drag & drop pages, select specific pages, and preview in high quality before merging.

🛠️ Improvements & Fixes
Better performance, smoother scrolling, and improved file saving to device folders.