Cyberduck
Cyberduck is a file transfer and cloud storage client for macOS that helps you browse, upload, download, and manage remote files.
What is Cyberduck?
Cyberduck is a native macOS file transfer and cloud storage client from Sudo that helps people connect to remote servers and online storage services through a desktop interface. It is commonly used by developers, web administrators, designers, and other users who need to move files between a Mac and FTP, SFTP, WebDAV, or cloud storage providers. The app lets you browse remote folders, transfer files, edit items on a server, and work with bookmarks for frequently used connections. Cyberduck also supports major storage services such as Amazon S3, Microsoft Azure, Google Drive, Dropbox, Backblaze B2, and OneDrive, which makes it useful for both website workflows and general cloud file management. On macOS, it fits well into everyday desktop workflows for uploading site assets, maintaining hosted files, and organizing remote storage without relying only on a browser or terminal.
Key features
- Connect to FTP, SFTP, and WebDAV servers
- Browse and manage files on remote servers and cloud storage
- Upload and download files with a desktop transfer workflow
- Save bookmarks for frequently used connections
- Open and edit remote files with local apps
- Work with cloud storage services such as Amazon S3, Google Drive, Dropbox, OneDrive, Backblaze B2, and Microsoft Azure
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Safety overview
Status: Mostly safe
Cyberduck is a well-known file transfer and cloud storage client, and network access is consistent with its purpose because it connects to remote servers and online storage accounts. The main privacy and security consideration is the data you choose to store or transfer and the credentials you enter for server or cloud access. Review saved bookmarks, connected accounts, and any remote-editing integrations if you no longer use them. If you installed a modified copy from an unofficial source, compare the app name, bundle ID ch.sudo.cyberduck, and the code-signing details in Finder or System Settings before trusting it with credentials.
Recommendation: Keep Cyberduck if you use it for FTP, SFTP, WebDAV, or cloud storage management on your Mac. If you no longer connect to servers or storage accounts with it, you can remove the app and its support files without affecting macOS, though saved bookmarks, preferences, and transfer history may be lost.
Common paths
/Applications/Cyberduck.app
Cache paths
~/Library/Caches/ch.sudo.cyduck~/Library/Caches/ch.sudo.cyberduck
Support paths
~/Library/Application Support/Cyberduck
Preference paths
~/Library/Preferences/ch.sudo.cyberduck.plist
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