Dragon viewer: PDF,DjVu,TIFF

Content rating
Everyone
50+
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Content rating
Everyone
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About this app

Experience the most powerful and lightweight document viewer designed for high-performance reading. Whether it’s a standard PDF or a massive 4GB scanned TIFF, Dragon viewer renders it instantly with unmatched smoothness.

Why choose Dragon viewer?

🚀 Ultimate Performance

Instant Large PDF Loading: Open gigabyte-sized files without lag.

Best-in-class TIFF Support: The only reader optimized for BigTIFF and multi-page TIFF rendering.

Smooth Navigation: Fluid multi-touch gestures and fling animations, even on high-refresh-rate screens.

✂️ Smart Reading Experience

AI Auto-Crop: Automatically detects and removes white margins to maximize content on small screens.

Text Reflow: Intelligent reflow mode that preserves images for comfortable reading.

OCR & TTS: Convert page images to text or listen to your books with built-in Text-to-Speech.

📚 Comprehensive Format Support

Documents: PDF, DjVu, DOCX, PPTX, XLSX.

E-books: EPUB, MOBI (with custom font support).

Comics & Images: CBZ, TIFF, and an integrated Album Viewer for image directories.

🛠️ Professional Toolkit

WebDAV Sync: Access your library and sync reading progress across devices seamlessly.

Advanced Filters: Customize your reading environment with background filters for eye protection.

Powerful Management: Full support for Outlines (TOC), Bookmarks, and Search.

Reading History: Track your progress and jump back into your books instantly.
Updated on
Mar 13, 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

添加文本选择与复制
添加ai问答
添加书签
添加批注画线
大纲优化
弹窗ui优化