UPDF is a comprehensive AI-powered PDF editing software that enables AI chat with PDFs, PDF editing, annotation, conversion, and more. A single UPDF license supports all platforms, including macOS/iOS/iPadOS.

UPDF features include:

AI Assistant

• Powered by GPT-4.1 and Full DeepSeek (R1).
• AI chat with PDFs: summarize PDFs, fully translate PDFs without losing formatting, and get PDF-related answers.
• Convert PDF files into mind maps.
• Interact with images and ask any questions about image content.
• Ask any questions and get AI-generated answers.

PDF File Editing

• Edit text in PDFs, modifying text color, font, size, and other properties.
• Edit images in PDFs: resize, crop, rotate, extract, replace, delete, etc.
• Add or remove links to websites or pages.

PDF File Annotation

• Highlight, underline, strikethrough, or wavy underline text in PDFs.
• Add comments, text boxes, text comments, text callouts, or shapes to PDFs.
• Freehand drawing in PDFs.
• Add stamps, stickers, and signatures to PDFs.
• Measurements in PDFs.

PDF File Conversion

• Convert PDF files to: DOCX, XLSX, and PPTX formats.
• Convert PDF files to images: PNG, JPEG, BMP, TIFF, and GIF formats.
• Convert PDF files to TXT, RTF, CSV, HTML, and XML formats.

PDF Page Organization

• Insert, replace, extract, split, rotate, delete, and reorder pages in PDF files.
• Crop or expand page margins.
• Split a single long page into multiple pages.

PDF File Protection

• Add open passwords or permission settings to prevent unauthorized opening, copying, editing, and printing of PDF files.

Form Creation

• Create fillable PDF forms by adding interactive form fields.
• Fill in PDF forms and add electronic signatures.
• Add digital signatures to verify the sender’s identity.

PDF File Batch Processing

• Supports batch processing: batch convert, merge, OCR, compress, print, create, insert pages, and encrypt PDF files.
• Batch add or remove backgrounds, watermarks, headers/footers, and Bates numbering across multiple PDF files.
• Batch remove text marks, measurement annotations, stamps, form fields, and signatures.

PDF File Reading and Printing

• View PDF files in single-page, dual-page, or scrolling mode.
• Text-to-speech function.
• Search and find text.
• PDF slideshow function.
• Supports light mode and dark mode.
• Add and manage bookmarks.
• Print PDF files.

PDF File Creation

• Create blank PDF files (with different background options) or create PDFs from Word/Excel/PPT/images/CAJ/documents/selection screenshots/window screenshots/full-screen screenshots/clipboard/scanner.

More Features

• Compare PDF files.
• Redact confidential information in PDF files.
• Add, edit, or remove watermarks in PDF files.
• Edit the background of PDF files.
• Edit headers and footers of PDF files.
• Save as PDF/A format.
• Smooth PDF files.
• Send PDF files via link, QR code, or email.