Definition of Cyberduck

Cyberduck is a widely-used, open-source file transfer client that supports various protocols, such as FTP, SFTP, WebDAV, and cloud services like Amazon S3 and Google Cloud Storage. With its simple user interface, users can easily transfer files to and from remote servers or manage their cloud storage. Available for Windows and macOS platforms, Cyberduck is known for its reliability and secure file transfer capabilities.


The phonetic spelling of the keyword “Cyberduck” using the International Phonetic Alphabet (IPA) would be: /ˈsaɪbərdʌk/

Key Takeaways

  1. Cyberduck is an open-source, user-friendly file transfer protocol (FTP) client, offering support for various cloud storage services and remote file access.
  2. It enables secure transfer of files using protocols like FTP/TLS, SFTP, WebDAV, and more, ensuring easy navigation and management of your data.
  3. With an intuitive interface, Cyberduck also offers advanced features such as file synchronization, bookmarks, and integration with various text editors for seamless file editing.

Importance of Cyberduck

Cyberduck is an important technology term because it refers to an open-source and user-friendly software that enables secure and efficient file transfers between local systems and remote servers.

It supports major file transfer protocols such as FTP/S, SFTP, WebDAV, and cloud-based storage services like Amazon S3 and Google Cloud Storage.

Its intuitive user interface and seamless integration with various operating systems make Cyberduck a highly valued tool for both individual users and organizations that rely on file transfers and remote server management.

Its importance lies in its ability to provide a reliable, secure, and convenient solution for managing files across different platforms and cloud-based services.


Cyberduck is a versatile file transfer client that serves as an essential tool for those who manage files on remote servers. At its core, it simplifies the process of transferring files between local devices and remote servers using a variety of protocols such as FTP, SFTP, WebDAV, and cloud-based services like Amazon S3, Google Cloud Storage, and Microsoft Azure.

Designed with an easy-to-use interface, Cyberduck aims to provide efficient, secure, and straightforward access to various remote sources for both uploading and downloading files, making it an indispensable asset for web developers, system administrators, and users in need of reliable remote file management. In addition to its primary function as a file transfer client, Cyberduck also boasts several useful features to enhance its usability.

Some of these features include the ability to synchronize local and remote directories, support for bookmarking quick access to frequently used servers, and a built-in text editor for on-the-fly file editing. It also allows users to perform bulk file actions, such as mass deletions, uploads, and downloads.

Furthermore, Cyberduck has native integration with several popular cloud storage providers, enabling users to effortlessly edit, copy, and move files between local machines and cloud servers. This ability to support a diverse range of platforms and services ensures that Cyberduck remains a comprehensive and accessible solution for remote file management tasks, catering to a wide variety of use cases.

Examples of Cyberduck

Cyberduck is an open-source client for file transfer protocol (FTP) and other cloud storage services such as Amazon S3, Microsoft Azure, and Google Cloud Storage. Here are three real-world examples of how Cyberduck can be used:

Web Developers and Designers:Web developers and designers can use Cyberduck to access and manage files on remote servers with ease. They can upload, download, or modify website files, images, and other resources directly from their local computer to the server through an intuitive interface. Cyberduck allows them to connect to multiple servers and switch between different environments, streamlining their workflow and increasing productivity.

Backup and File Synchronization:Individuals and businesses can use Cyberduck to easily schedule backup and synchronization tasks for their important files. This can involve connecting to remote servers, cloud storage services, or external hard drives. Cyberduck supports various file transfer protocols like FTP, SFTP, and WebDAV, enabling users to configure and automate file transfers efficiently and securely. This feature helps avoid data loss and enables easy retrieval of files in case of hardware crashes or other issues.

Media Professionals and Collaboration:Media professionals, such as photographers, videographers, or content creators, can use Cyberduck to share and collaborate on large media files with clients or colleagues. They can connect to cloud storage services (Amazon S3, Google Cloud Storage, etc.) or remote servers to easily upload, download, and organize their files. Cyberduck’s support for temporary signed URLs enables users to share time-limited, secure access to specific files without sharing login credentials, allowing for seamless transfers and collaboration between team members or clients.

FAQs: Cyberduck

What is Cyberduck?

Cyberduck is an open-source client for file transfer over multiple protocols, including FTP, SFTP, WebDAV, Amazon S3, and more. The software’s simple interface allows users to easily transfer and manage files across various remote servers.

How do I download and install Cyberduck?

To download and install Cyberduck, visit the official website at Select the appropriate version for your operating system (Windows or macOS) and follow the installation instructions provided.

How do I connect to a server using Cyberduck?

Upon launching Cyberduck, click the “Open Connection” button in the top-left corner of the window. Choose your desired protocol from the dropdown menu, then enter the required server, username, and password information. Click “Connect” to establish a connection to the server.

How do I transfer files using Cyberduck?

Once connected to a server, you can transfer files from your local system to the remote server by dragging and dropping them into the Cyberduck window. Alternatively, you can right-click the desired file or folder and select “Upload” to initiate the transfer manually.

Is Cyberduck free to use?

Yes, Cyberduck is available as a free and open-source software. However, the developers encourage users to make a donation to support the ongoing development and maintenance of the software.

Does Cyberduck support encryption?

Yes, Cyberduck supports encrypted connections, including options like SSL/TLS and SSH, depending on the chosen protocol. Encryption ensures the secure transmission of your data between your system and the remote server.

Related Technology Terms

  • File Transfer Protocol (FTP)
  • Secure Shell (SSH)
  • Cloud Storage Services
  • Remote File Management
  • Amazon S3 Integration

Sources for More Information


About The Authors

The DevX Technology Glossary is reviewed by technology experts and writers from our community. Terms and definitions continue to go under updates to stay relevant and up-to-date. These experts help us maintain the almost 10,000+ technology terms on DevX. Our reviewers have a strong technical background in software development, engineering, and startup businesses. They are experts with real-world experience working in the tech industry and academia.

See our full expert review panel.

These experts include:


About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

More Technology Terms

Technology Glossary

Table of Contents