Tenorshare PDNob Tech Specs & Changelog

PDNob delivers AI-powered PDF editor to edit, convert, annotate, merge, split, and protect PDFs, perform OCR with 99% accuracy.

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	Windows	Mac	iOS
Supported OS	Supports Windows 10 and higher (64 bit)	Supports macOS 10.15 - 26	iOS15.0-iOS26 or later
Package Size	136MB (OCR plugin: 1.80GB)	Arm version: 163MB (OCR plugin: 1.67GB) Intel version: 179MB (OCR plugin: 2.02GB)	35.7MB
OCR Language Supported	Arabic, Chinese Simplified, Chinese Traditional, Dutch, English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Spanish, Thai, Turkish		Coming Soon
File Conversion Formats	Convert other formats to PDFs: .xls, .xlsx, .ppt, .pptx, .doc, .docx, .jpg, .jpeg, .png, .tiff, .bmp; Convert from PDFs to other formats: .xls, .xlsx, .ppt, .pptx, .doc, .docx, .jpg, .jpeg, .png, .bmp, .tiff, .txt, .rtf, .epub, PDF/A		Coming Soon
Internet	Please keep your device connected to the Internet during the registration and activation of PDNob to receive live updates, product support, and more.
Software Language Supported	English, German, French, Japanese, Italian, Spanish, Portuguese, Russian, Dutch, Korean, Traditional Chinese, Arabic, Turkish and Thai		English

Note: The performance of PDNob is influenced by system hardware, resource availability, disk space, and other environmental factors. To achieve optimal performance, use a system that surpasses the minimum specifications.

Change Log

2026

April 2 V2.0.0

PDNob 2.0 – Rebuilt, Faster & Smarter:

Brand New, Self-Developed PDFium Engine: Faster and more stable performance for large PDFs.
Dark Mode: Eye-friendly reading and editing experience.
AI Q & A: Upload images/screenshots, get contextual answers with page references, and enjoy faster response speed.
OCR Enhancements: Advanced configuration options for better recognition in complex documents.
Compression: Optimized PDF compression for better speed, precision and quality.
Interface & Interaction: Redesigned homepage, file list, editing tools, annotations, and menus for smoother workflow.

2026

February 6 V1.0.0

PDNob iOS App New Features:

Cloud Storage

2025

November 19 V1.0.0

PDNob iOS App:

Initial Release: Core features include PDF editing, annotation, and viewing.

November 6 V1.6.0

New Features:

Added the ability to create and edit PDF forms seamlessly.
Added a right-click option to convert local images to PDF.
Added email + verification code login option.

Enhancements:

Optimized eraser tool and annotation interactions; text highlights now move smoothly with the text in editing mode.
Enhanced AI assistant: added recommended questions and smoother Q&A interactions.
Improved layer management when editing text and images simultaneously.
Optimized certificate signature removal verification for smoother operation.
Added support for cropping, copying, cutting, and pasting images efficiently.

September 18 V1.5.6

Added support for macOS 26.
Introduced Mac screen recording with performance improvements.
Added TXT to PDF conversion.
Enabled multi-threaded document processing for faster performance.
AI result rendering now supports Markdown format.
Improved feedback system with document and video upload support.

June 20 V1.5.0

New Features: Added encryption and screenshot functionality (Windows only), and support for polyline shape annotations.
Enhancements: Multiple image import methods supported (drag & drop, clipboard paste), including transparent images.
Improved Workflow: Automatically converts and opens non-PDF files dragged into the app. Dragging images to the thumbnail area now auto-inserts them as PDF pages.
OCR Improvements: Reduced garbled text issues and enhanced usability with optimized interactions.
Editing Upgrades: Expanded editable object types to include images within Form Xobjects for more flexible editing.

April 7 V1.4.0

Expanded AI features: copywriting assist, content polishing, summarization, and explanations.
Added new print modes (poster, multi-page, booklet).
Extended batch tools with batch printing and batch creation.

February 26 V1.3.1

Integrated the DeepSeek-R1 model and supports manual switching between AI models.

January 16 V1.3.0

Added handwritten signatures to annotation tools.
Introduced certificate signatures (create & verify) for document security.
Added batch tools: conversion, OCR, compression, merging, watermarking, background/header/footer edits, and encryption.
Added AI-powered text selection translation.
Upgraded AI chat with regenerate response and like/dislike feedback.

2024

December 24 V1.2.0

Added pencil, eraser, and sticky notes for annotations.
Improved conversion: new supports blank pages, multi-page to long image, and image extraction.

UX Improvements: optimized performance for smoother workflows.

November 25 V1.1.0

Initial Release: Core features including PDF editing, conversion, OCR, annotation, and AI PDF tool.