Document Viewer Apps and Services

Document Viewer is a highly customizable and lightweight document viewer designed for Android devices. It supports a wide range of formats including PDF, DjVu, XPS, CBZ, CBR, and ePub, offering features like highlighting, annotation, and optimal performance.

Air Sharing is a versatile application that transformed iOS devices into portable wireless hard drives. It allowed users to store, view, and manage files directly on their iPhone or iPad, accessible from any computer on the same Wi-Fi network. It offered effortless file transfer and access.

RepliGo Reader is a powerful PDF viewing and annotation tool designed for mobile devices. It offers smooth document rendering, a comprehensive set of annotation tools, robust form-filling capabilities, and features for managing and organizing your PDF files.

Documents by Readdle is a powerful file manager, media player, and document viewer for iPhone and iPad. It allows users to organize files, download content, view various document types, listen to music, watch videos, and annotate PDFs all within a single application.

VisiTouch, though discontinued, was an iOS application designed for viewing and converting Microsoft Visio diagrams (VSD, VDX, VSDX) on iPhone. It provided a convenient way to access and share your Visio files on the go, integrating features like PDF conversion and collaboration.

Google Docs Viewer was a web-based service that allowed users to view various document types directly within their web browser without needing native software. It provided a convenient way to access and read files like PDFs, Microsoft Office documents, and other formats online.

AlReader is a highly customizable and feature-rich e-book reader application designed for mobile devices. It supports a wide range of formats, offers extensive configuration options for reading interface, and includes features like text-to-speech, library management, and synchronization.

EBookDroid is a feature-rich and highly customizable document and book viewer for Android, supporting a wide array of formats including PDF, DjVu, XPS, Comic Books (CBR, CBZ), and more. It offers a versatile reading experience tailored to diverse user needs.

xCHM is a free and open-source cross-platform GUI application designed for viewing compiled HTML Help (CHM) files. It acts as a front-end to the CHMLIB library, providing a user-friendly interface to navigate and read the content within these archive files, commonly used for software documentation and ebooks.

Zathura is a highly customizable and efficient document viewer based on the Poppler rendering engine. It is designed with a minimal interface and focuses on keyboard-driven navigation, making it ideal for users who prefer a streamlined workflow and powerful keybindings.

qpdfview is a lightweight, tabbed document viewer based on Qt. It supports PDF, DjVu, PostScript, and other document formats, offering features like annotation, form filling, and a clean, customizable interface for efficient document management.

WordPad is a fundamental word processing application included with the Microsoft Windows operating system, designed for creating and editing simple text documents and rich text files.

Cool Reader is a highly configurable and lightweight eBook viewer designed for comfortable reading on various devices. It supports multiple formats including EPUB and DOCBOOK, offers extensive customization options for interface and reading experience, and includes useful features like library management, annotations, and sync capabilities.

WinDjView is a high-performance, compact, and user-friendly DjVu document viewer for the Windows operating system. Designed for speed and efficiency, it allows users to quickly open and navigate DjVu files, offering a range of features for enhanced reading experience.

MuPDF is a lightweight, portable document rendering engine and viewer for PDF, XPS, and EPUB formats. Known for its speed and accurate rendering, it's ideal for integrating document display into various applications or for users seeking a minimalist, high-performance viewer.

STDU Viewer is a versatile, lightweight document viewer supporting a wide array of file formats including PDF, DjVu, Comics Book Archive (CBR/CBZ), XPS, TIFF, and text files. It features a tabbed interface, low memory usage, and optional portability, making it an efficient choice for managing and reading various document types.

Konqueror is a versatile free and open-source application serving as a web browser, file manager, and file viewer, deeply integrated into the KDE Software Compilation.

Firefox PDF Viewer (PDF.js) is an open-source, web standards-based PDF viewer embedded directly within the Firefox browser. It allows users to view PDF documents seamlessly without the need for external software or plugins, enhancing browser-based document handling and accessibility.

Evince is a lightweight and versatile document viewer designed for various formats including PDF, PostScript, DjVu, TIFF, XPS, and DVI. It provides a clean and intuitive interface for easily accessing and navigating your documents.

Sumatra PDF is a free and lightweight PDF reader for Windows, renowned for its speed and minimalist interface. Beyond PDF, it supports a variety of other formats including EPUB, MOBI, CBR, CBZ, XPS, and DjVu, making it a versatile e-reader.

Foxit Reader is a robust and feature-rich PDF reader and editor that provides users with a comprehensive set of tools for viewing, annotating, signing, and creating PDF documents. Known for its blend of performance and functionality, it caters to both casual users and professionals handling complex PDF workflows.

Document Viewer is a highly customizable and lightweight document viewer designed for Android devices. It supports a wide range of formats including PDF, DjVu, XPS, CBZ, CBR, and ePub, offering features like highlighting, annotation, and optimal performance.

Air Sharing is a versatile application that transformed iOS devices into portable wireless hard drives. It allowed users to store, view, and manage files directly on their iPhone or iPad, accessible from any computer on the same Wi-Fi network. It offered effortless file transfer and access.

RepliGo Reader is a powerful PDF viewing and annotation tool designed for mobile devices. It offers smooth document rendering, a comprehensive set of annotation tools, robust form-filling capabilities, and features for managing and organizing your PDF files.

Documents by Readdle is a powerful file manager, media player, and document viewer for iPhone and iPad. It allows users to organize files, download content, view various document types, listen to music, watch videos, and annotate PDFs all within a single application.

VisiTouch, though discontinued, was an iOS application designed for viewing and converting Microsoft Visio diagrams (VSD, VDX, VSDX) on iPhone. It provided a convenient way to access and share your Visio files on the go, integrating features like PDF conversion and collaboration.

Google Docs Viewer was a web-based service that allowed users to view various document types directly within their web browser without needing native software. It provided a convenient way to access and read files like PDFs, Microsoft Office documents, and other formats online.

AlReader is a highly customizable and feature-rich e-book reader application designed for mobile devices. It supports a wide range of formats, offers extensive configuration options for reading interface, and includes features like text-to-speech, library management, and synchronization.

EBookDroid is a feature-rich and highly customizable document and book viewer for Android, supporting a wide array of formats including PDF, DjVu, XPS, Comic Books (CBR, CBZ), and more. It offers a versatile reading experience tailored to diverse user needs.

xCHM is a free and open-source cross-platform GUI application designed for viewing compiled HTML Help (CHM) files. It acts as a front-end to the CHMLIB library, providing a user-friendly interface to navigate and read the content within these archive files, commonly used for software documentation and ebooks.

Zathura is a highly customizable and efficient document viewer based on the Poppler rendering engine. It is designed with a minimal interface and focuses on keyboard-driven navigation, making it ideal for users who prefer a streamlined workflow and powerful keybindings.