Windows Softwares to Built-in viewer

Directory Opus is a highly customizable, powerful file manager for Windows, offering a modern alternative to File Explorer with extensive features for efficient file organization and management.

4shared is a versatile cloud storage and file-sharing platform offering users secure online storage, file synchronization across devices, and the ability to share various file types. It provides a centralized space for managing digital assets and includes features like built-in viewers.

Tonido transforms your computer into a personal cloud server, providing secure remote access to your files, media, and more from any device. Enjoy unlimited storage and bandwidth by leveraging your existing hardware, eliminating the need for third-party cloud services and their limitations.

FBReader is a versatile and free ebook reader application supporting multiple formats including ePub, Kindle azw3, and fb2. It offers a customizable reading experience across different platforms with features like library management, synchronization, and text-to-speech.

Copy.com was a cloud storage and file-sharing service notable for its generous storage offerings, particularly through its referral program. It provided features for file synchronization, backup, and access across multiple devices, aiming to be a competitor in the online backup and storage market. Despite its user-friendly interface and compelling storage incentives, the service was eventually discontinued.

NexusFile is a discontinued, portable dual-pane file manager for Windows, offering advanced features like multi-tabs, built-in viewers and players, batch operations, and support for FTP and TC plug-ins, aiming to provide a more efficient alternative to the standard Windows Explorer.

WebCopy is a lightweight, free tool designed to download complete or partial websites to your local hard drive for offline access. It analyzes website structure and downloads necessary files, making it ideal for creating offline archives of web content.

Amazon Kindle offers a comprehensive ecosystem for reading digital books, providing dedicated e-readers and cross-platform apps. It allows users to purchase, download, and read a vast selection of ebooks, newspapers, and magazines, synced across various devices for seamless access.

MediaFire offers robust cloud storage, file synchronization, and file sharing capabilities, providing users with ample space and features for managing digital content online.

Air Explorer is a versatile application designed to simplify managing multiple cloud storage accounts from a single interface. It supports popular services like Dropbox, Google Drive, OneDrive, Mega, and more, facilitating file uploads, downloads, synchronization, and sharing across different cloud providers without requiring local storage.

PDFill provides a comprehensive suite of tools for creating, editing, filling, and manipulating PDF documents. It acts as a versatile 'Swiss-army knife' for various PDF-related tasks, suitable for both basic and advanced users.

NAPS2 (Not Another PDF Scanner 2) is a free and open-source document scanning application. It simplifies the process of scanning documents into various formats, primarily PDF, with support for OCR.

ASUS WebStorage is a comprehensive cloud storage solution designed for seamless data backup, synchronization across multiple devices, and easy file sharing. It offers secure storage with various features to manage your digital assets effectively.

FreeCommander is a powerful and user-friendly freeware file manager designed as an alternative to standard Windows Explorer. It features a dual-pane interface for efficient side-by-side file operations, built-in tools like an FTP client, archive handling, file comparison, and a batch renamer. Highly customizable and portable, it enhances file management productivity.

PeaZip is a free and open-source file archiver and file manager utility. It offers robust archiving capabilities supporting a wide range of formats, strong encryption options, and a built-in file explorer, making it a comprehensive tool for file compression, archiving, and security.

Box is a leading cloud content management and file sharing platform designed for businesses of all sizes. It provides secure storage, robust collaboration tools, and seamless integration with popular business applications, empowering teams to work efficiently and securely from anywhere.

XnView is a versatile and free multimedia viewer, browser, and converter that supports over 500 image formats. It offers powerful batch processing capabilities for tasks like conversion, renaming, and resizing, making it an essential tool for managing large photo collections.

Calibre is a powerful and versatile open-source e-book management software that streamlines the organization, conversion, and reading of your digital book collection across various formats and devices.

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.

PDF24 PDF Creator is a free and versatile software that allows users to create PDF files from virtually any printable document, edit existing PDFs, and perform various PDF manipulation tasks.

Google Drive is a powerful cloud storage service that offers secure file storage, synchronization, and collaboration. It integrates seamlessly with Google's suite of applications, providing a comprehensive productivity and file management platform accessible from any device.

4sync is a comprehensive cloud storage and file synchronization service designed to provide users with a secure platform for storing, managing, syncing, and sharing their digital files across multiple devices. It offers robust features for both individual and professional use, including file backup, remote management, and built-in media capabilities.