| UPDF is a PDF editor driven by an AI Agent, featuring AI, reading, editing, annotating, cloud synchronization, conversion, encryption, cropping, splitting, document comparison, and more. UPDF offers a youthful and attractive interface design to provide a pleasant and easy experience for reading and office work.
Features:
1. Editing PDF
– You can add or remove text, edit text attributes and formats such as font, color, size, etc.
– UPDF also supports aligning text to make your document look tidier.
– For images in PDF, you can crop, rotate, replace, extract, and delete them.
– You can drag and drop to add and replace images.
– Supports adding, deleting, and editing watermarks, backgrounds, and headers/footers.
2. AI Functionality
– Summarize single or multiple PDF documents.
– Translate PDF documents fully.
– Interpret, polish, or write PDF documents.
– Interact freely with UPDF AI.
– Support free dialogue with images.
– Generate mind maps from document summaries.
– Support paper search and bibliographic networks.
– Support deep research and literature reviews.
New AI Agent Features
– PDF Copilot (AI Operation Assistant): Edit PDFs using natural language, convert PDFs to Word, compress files, etc. – no need to search through menus, just execute PDF tasks immediately.
– AI Semantic Search: Beyond keyword matching, understands semantics and concepts, achieving search accuracy of up to 95%, with efficiency improvements up to 5 times.
– AI Bookmark Agent: Automatically create structured bookmarks and generate paragraph summaries, improving PDF navigation efficiency by up to 92%.
– AI Editing Tools: Directly rewrite, adjust tone, or correct grammar within the PDF editor – no need to switch applications or copy-paste.
– AI Creative Generation: Generate watermarks, stickers, backgrounds, and seals using prompts – up to 1024×1024 high-quality, 20+ styles, completed in 10 seconds.
– AI Page Management: One-click document review – automatically detect blank pages or rotated pages, with accuracy up to 98%.
3. Annotating PDF
– Add annotations to PDF documents during reading, such as highlighting, underlining, strikethrough to emphasize key content.
– You can add graphics and text boxes for annotations.
– Add sticky notes for notes or approvals.
– Add various stamps and stickers for annotations and comments.
– Create your own signature quickly for signing documents.
– View and delete all annotations with one click.
4. OCR (Optical Character Recognition) (Available only for the official download version)
– Convert scanned PDFs into searchable and editable PDFs.
– Supports detection of 38 languages.
– Convert searchable and editable PDFs into image-only PDFs.
5. PDF Conversion
– Convert PDFs to Word, Excel, PowerPoint, Image, HTML, Text, CSV, XML, PDFIA, etc.
– Convert Word, Excel, PowerPoint, images, CAJ to PDF.
– The converted documents maintain the original document format.
6. Cloud Synchronization
– Upload documents to UPDF Cloud for full-device synchronization between PC and mobile devices.
7. Managing PDF Pages
– Adjust page orientation by rotating pages.
– Drag pages to reorder them.
– Extract pages or delete them.
– Add blank pages or pages from other files.
– Quickly replace pages.
– Split a PDF document into multiple documents based on page numbers.
– Customize page size according to needs.
– One-click document review for detecting blank pages, rotated pages, or repeated pages.
8. Viewing and Locating PDF Documents
– Zoom in or out to view document content clearly.
– Add bookmarks to pages for quick navigation.
– Open multiple PDF documents in the same window for easier access.
– Quickly search and locate text content.
– Rotate, delete, rotate, and print PDF pages using thumbnails.
– View PDF documents in slide show format.
9. Document Protection
– Add document opening passwords to prevent unauthorized users from accessing.
– Set document function permissions to control other users’ printing, editing, copying of PDF documents, etc.
– Support comparing two documents to highlight differences.
– Digital signatures to prevent file content tampering.
– Support mosaic (encrypted) for sensitive information.
10. Creating PDFs
– Create blank pages.
– Create PDFs from selections, windows, or screen captures.
11. Flattening PDFs
– Quickly flatten PDFs, flattening layers within the document.
12. Batch Processing
– Supports batch conversion, merging, OCR, compression, printing, creation, watermarks, headers/footers, Bates codes, insertion, backgrounds, encryption, and deletion.
Version 2.5.5 Update Highlights:
– Added custom rotation for images.
– Fixed some user-reported issues to improve product stability.
Software Screenshots:
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