PPDX Reader is a fast, desktop-first document viewer for Windows built with PySide6, designed to open PDF, DOCX, PPTX, XLSX, text, and code files in a clean fullscreen experience with tabbed or standalone windows, smooth rendering, smart file browsing, and practical productivity features for everyday reading and review.

A modern web-based document viewer supporting PDF, Office, and OpenDocument formats with smart retry logic, multi-provider rendering, and seamless file upload fallback.