Uviewer

Uviewer is an application developed with WinUI 3 and .NET 10 that functions as a viewer for graphic files and text documents. The program allows opening images from folders or ZIP compressed files, viewing EPUB documents, processing plain text files with encoding detection, and rendering Markdown files. It includes support for double-page manga viewing and vertical text rendering for light novels with Aozora Bunko formatting. It incorporates connectivity via the WebDAV protocol to access libraries hosted on remote servers.

★★★★★

3.7(3 ratings)

• Viewing compressed ZIP files. Uviewer directly reads ZIP files containing images. It extracts and displays the content without needing to manually decompress the files on the hard drive. It supports sequential navigation through the images stored inside the container.
• EPUB format support. The viewer renders standard EPUB documents. It processes the internal structure of the file, displaying the XHTML and CSS content included in the package. It allows reading eBooks in this common format.
• Vertical text rendering for Aozora Bunko. It implements text representation in a vertical layout, used in Japanese light novels. It reads files with Aozora Bunko formatting and displays text from right to left and top to bottom, reproducing the traditional layout.
• Double-page view mode. It designs a layout of two simultaneous pages on the screen to simulate reading a physical book. This function is aimed at reading manga and documents with a double-page format.
• Automatic text encoding detection. When opening plain text files, Uviewer analyzes the content to identify the character encoding used. It selects the correct encoding to display the text without incorrect characters.
• Markdown file rendering. It reads files with the .md extension and processes the Markdown markup to generate a formatted view. It displays headings, lists, links, and other elements defined in the Markdown specification.
• WebDAV connectivity. It incorporates a WebDAV client that allows connecting to compatible remote servers. It accesses libraries of images or documents stored on NAS devices or web servers directly from the viewer's interface.
• Common graphic format viewing. It supports opening individual image files in standard formats. It navigates through folders containing images, displaying each graphic file and allowing sequential advancement.
• Local file structure navigation. It provides an interface to explore the computer's file system. It selects folders and files from the integrated explorer to load the content into the viewer.
• Support for unformatted plain text. It opens any text file with the .txt extension. It detects line breaks and tabs, presenting the content in a scrollable text window without applying additional formatting.
• Zoom and image adjustment. It allows modifying the magnification level of the displayed images. It adjusts the scale to the window size or allows manual zoom to inspect details of the illustrations.
• Page navigation with keyboard shortcuts. It implements controls via keyboard to move forward or backward between pages. It uses arrow keys or predefined combinations to change images or documents without using the mouse.

The Uviewer application is developed by the programmer identified as kirinonakar. The project repository is hosted on GitHub since 2024. The code is written using the C# programming language together with the .NET 10 framework and the WinUI 3 graphical interface library. The development focuses on providing an integrated viewer for Windows systems with specialized rendering capabilities for manga and vertical text.

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