UPDF - AI-Powered PDF Editor2.5.4 - App Store

UPDF for iOS is an AI-powered PDF editor for iPhone and iPad. Read, edit, annotate, convert, sign, and AI chat with your PDFs - all from your iOS device. Summarize lengthy documents, translate full PDFs, scan paper to PDF, and manage all your files in one place.

Amazing features of UPDF for iOS:

Edit PDF
- Edit text in PDF (change color, font style, font size)
- Edit images in PDF (rotate, extract, replace, and crop images)
- Edit watermark in PDF (add, edit, delete and favor watermark)
- Edit links in PDF (add, edit, copy, and delete)

AI Assistant
- Summarize, translate, explain, and rephrase lengthy PDFs in minutes.
- Engage in a chat with UPDF AI and ask it any questions you have.
- Summarize or translate PDF by pages.
- Export conversations to Markdown or TXT files.
- NEW AI Bookmark Agent: Auto-generate bookmarks and get instant section summaries for any PDF.
- NEW AI Semantic Search: Search your PDF by meaning, not just exact words.
- NEW AI Editing Suite: Rewrite, refine tone, or correct grammar directly.

Read PDF
- Flexible reading: vertical and horizontal scrolling, single page or two-page view
- Dark mode to protect your eyes
- Add and manage bookmarks with AI Bookmark Agent's help
- Search text in PDF
- Present PDF as a slideshow
- Text-to-speech support

Annotate PDF
- Annotate PDFs using markup tools: pencil, highlight, underline, strikethrough, squiggly line
- Add text boxes, text comments, callouts, sticky notes
- Add shapes, stamps, and stickers to PDFs
- Free-hand drawing on PDF pages

OCR PDF
- Convert scanned documents and images into searchable and editable PDFs
- Recognize text in 38 languages

Scan to PDF
- Scan physical documents to PDF with your camera
- Scan ID cards onto one page
- Crop, rotate, and filter scanned images

Convert PDF
- Convert PDF to Word, Excel, PPT, and images

Organize PDF Pages
- Insert, replace, extract, split, rotate, remove, and reorder pages in PDFs
- Merge multiple PDFs into one file
- Copy, paste, and share specific pages in a PDF

Sign PDF & Fill PDF Form
- Create handwritten signatures
- Import and add image signatures
- Fill PDF form and add e-signatures
- Save signatures to cloud for cross-platform use

Create PDF
- Create PDF with blank, lined, dotted, grid, and graph papers
- Combine multiple files/images into one PDF

Protect PDF
- Password-protect PDFs to restrict opening, editing, and printing
- Add or remove watermarks
- Add digital signatures
Manage Files
- Upload, create, rename, move, copy, duplicate, and organize files or folders
- Unzip files by simply tapping .zip files
- Search for files
- Supports two-finger multiple selections and operations
- Move files or folders to trash, and find deleted items in the trash
- Protect PDF files with a password or unlock protected PDF files
- Compress one or multiple files into a zip file

Security Space
- Protect your privacy by moving files or folders to Security Space
- Enable Face ID & Passcode to access your Security Space

Import File
- Import files from Photos albums
- Import files from the Files App
- Transfer files from a computer over the same Wi-Fi

View files in All Formats
- Browse dozens of different file formats including PDFs, Office documents (.doc, .docx, .ppt, .pptx, .xls, .xlsx), Pages, Keynotes, and Numbers with a single app
- Open other formats such as text, HTML, XML, Web Archive, Images (JPG, JPEG, GIF, PNG, TIFF, SVG, BMP), video, audio

*** Pro Features of In-App Purchase ***
- Use UPDF across all platforms including desktops and mobiles
- Free Users will get 1 GB of Cloud Storage; Paid users will get 10 GB of Cloud Storage for free
- Advanced PDF features such as Convert PDF with OCR, batch process, etc. are available on the desktop
- Unlimited use of Scan to PDF (Free trial only scans up to 5 pages)
- Unlimited use of Security Space (Trial version stores up to 10 items)
- Secure App with passcode/TouchID/FaceID

Need help? Email us at support@superace.com

Version History - Added support for editing and saving external iCloud documents.
- Fixed issues reported by some users to improve product stability. 2.5.4 Jul 2 - Added support for receiving documents via Handoff.
- Added compatibility with iOS 26. 2.5.3 May 20 - Supports SMB connection.
- Supports SFTP connection.
- Fixed known issues. 2.5.2 Apr 24 - Supports connecting to FTP and WebDAV servers.
- Fixed some known bugs. 2.5.1 Apr 11 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. 2.5.0 Mar 31 - UPDF AI supports summarizing bookmark chapters.
- UPDF AI supports quick generation of bookmarks.
- Fixed known issues and improved stability. 2.3.0 Mar 12 - Supports generating mind maps from documents and converting them to Markdown format.
- Fixed several known issues. 2.2.9 Feb 28 - Supports AI translation for entire documents.
- AI chat supports image-based conversations.
- AI chat supports enabling deep thinking mode.
- Fixed several known issues. 2.2.8 Jan 30 1. Supports adding date, checkmarks, crosses, and dots to fill out forms.
2. Added OCR file recognition prompt feature.
3. Fixed some known issues. 2.2.7 Jan 20 - 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. 2.2.6 Jan 8 - Supports full-text read aloud.
- Optimized page view settings.
- Fixed several known issues. 2.2.5 12/16/2025 - Supports measuring distance, perimeter and area.
- Fixes some known issues. 2.2.4 11/27/2025 - Supports cropping file pages.
- Fixes some known issues. 2.2.3 11/21/2025 - The comment supports drawing polygons.
- Fixed some known issues to enhance the user experience. 2.2.2 11/14/2025 -Support the import of personal or corporate exclusive signatures.
-Support opening multiple files simultaneously to achieve cross - file reading, comparison, and editing. 2.2.1 11/03/2025 Some known experience issues have been fixed to make the usage smoother. 2.2.0 10/20/2025 - Optimize the interaction logic for adding comments to make the operation more convenient.
- Some known issues have been fixed. 2.1.0 09/28/2025 Some known experience issues have been fixed to make the usage smoother. 2.0.1 09/17/2025 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. 2.0.0 09/09/2025 -Fixed several known issues to enhance your experience. 1.6.2 08/02/2025 -Now supports connecting to iCloud and Dropbox cloud drives.
-Fixed several known issues to enhance your experience. 1.6.1 07/28/2025 - 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. 1.6.0 06/17/2025 - The UPDF AI Chat module has been integrated with the DeepSeek-R1 model. 1.5.26 02/18/2025 - Fixed the issue of PDF display abnormalities in iOS 17. 1.5.25 01/16/2025 - Some user-reported issues have been fixed, enhancing product quality and operational performance. 1.5.24 01/02/2025