- Supports connecting to FTP and WebDAV servers.
- Fixed some known bugs.

UPDF 2.5 — Three Powerful AI Upgrades for Your PDF Reader.

Work smarter with your documents: read faster, edit with precision, and find anything instantly.

• AI Bookmark Agent: Auto-generate smart bookmarks and get instant 3-sentence summaries for every section. Stop scrolling — navigate any PDF document in seconds.
• AI Semantic Search: Find what you mean, not just what you type. Your AI-powered PDF editor now understands concepts, not just keywords — 95% concept accuracy.
• AI Editing Suite: Rewrite, refine tone, or correct grammar directly inside the PDF editor. Professional-grade writing tools, zero copy-pasting.

Plus: general performance improvements and stability fixes.

- UPDF AI supports summarizing bookmark chapters.
- UPDF AI supports quick generation of bookmarks.
- Fixed known issues and improved stability.

- Supports generating mind maps from documents and converting them to Markdown format.
- Fixed several known issues.

UPDF 2.0, now available!
- All-new Interface: A clean design for easy operation.
- Convert PDF: Supports a variety of formats including Word, Excel, PPT, and images.
- OCR Recognition: Accurately recognizes text, allowing you to freely edit scanned documents.
- Connect Dropbox: Seamlessly edit your files in the cloud.

- Supports AI translation for entire documents.
- AI chat supports image-based conversations.
- AI chat supports enabling deep thinking mode.
- Fixed several known issues.

1. Supports adding date, checkmarks, crosses, and dots to fill out forms.
2. Added OCR file recognition prompt feature.
3. Fixed some known issues.

- Supports customizable toolbars.
- Supports locking page scroll direction.
- Supports keeping the screen on during reading.
- Supports opening, converting, extracting, and more using UPDF from system sharing.

- Supports full-text read aloud.
- Optimized page view settings.
- Fixed several known issues.

- Supports measuring distance, perimeter and area.
- Fixes some known issues.

- Supports cropping file pages.
- Fixes some known issues.

- The comment supports drawing polygons.
- Fixed some known issues to enhance the user experience.

-Support the import of personal or corporate exclusive signatures.
-Support opening multiple files simultaneously to achieve cross - file reading, comparison, and editing.

Some known experience issues have been fixed to make the usage smoother.

- Optimize the interaction logic for adding comments to make the operation more convenient.
- Some known issues have been fixed.

Some known experience issues have been fixed to make the usage smoother.

UPDF 2.0, now available!
- All-new Interface: A clean design for easy operation.
- Convert PDF: Supports a variety of formats including Word, Excel, PPT, and images.
- OCR Recognition: Accurately recognizes text, allowing you to freely edit scanned documents.
- Connect Dropbox: Seamlessly edit your files in the cloud.

-Fixed several known issues to enhance your experience.

-Now supports connecting to iCloud and Dropbox cloud drives.
-Fixed several known issues to enhance your experience.

- The brand logo has been redesigned, now more minimalist and modern.
- The main color scheme has been updated, enhancing the visual experience.
- Some issues reported by users have been fixed, improving product quality and operational performance.

- The UPDF AI Chat module has been integrated with the DeepSeek-R1 model.

- Fixed the issue of PDF display abnormalities in iOS 17.

- Some user-reported issues have been fixed, enhancing product quality and operational performance.

- Fix some issues reported by users to enhance product quality and operational performance.

- Adapt to iOS 18.
- Optimize paragraph recognition functionality to enhance text editing effects.
- Improve application performance and stability, and reduce memory usage.

- Optimize and enhance the stability and performance of UPDF AI.
- Fix some issues reported by users to improve product quality and operational performance.