File transfer · Native Mac
Two sides.One clear workspace.
Browse local and remote files side by side in one native window, and drag to upload or download.
Every task shows its progress, speed and outcome, and a failure is never reported as a success.
Apple silicon Mac · macOS 26.0+
Likes, ratings & anonymous comments ↓Version 0.1.2 introduces a new dark connection-bridge icon and bundles TLS certificate roots and dependency licenses. Drag and drop onto any folder or straight into Finder. SFTP, FTPS and FTP are supported; WebDAV and S3 / R2 cloud storage are not included yet.
Focused on files. Native at the core.
Everything below ships in the current version and is covered by unit tests and real FTP / SFTP integration tests.
Local and remote, side by side
A tabbed workspace where each tab keeps its own connection and paths. List and icon views, a path bar, sorting, search and spacebar Quick Look. Drop files onto any folder to upload or download, or drag remote files straight into Finder.
Reliable transfers you can follow
A bounded concurrent queue with pause, cancel, retry and bandwidth limits. Files land in a temporary path and are committed only after verification; before resuming, both sides are checked for changes so a transfer never continues from the wrong offset.
Review differences before syncing
Compare local to remote, remote to local or both ways by size and modification time, then run a plan you approve item by item. Remote extras are never deleted by default, and synchronized browsing keeps both panes in step.
Edit and save back
Open remote text files in the built-in editor and press ⌘S to save them back. Batch rename supports replacement, prefixes, suffixes and numbering with conflict previews, and the inspector views and edits POSIX permissions.
Host keys and certificates are always checked
The first SFTP connection asks you to confirm the host fingerprint, and a changed key is refused. FTPS validates TLS certificates. Password and SSH private-key authentication are supported, with passwords and passphrases in the system Keychain.
Verified in-app updates
New versions download inside the app and are checked against their SHA-256 and Apple code signature before being installed and relaunched. The interface follows the system language and appearance, with a manual language switch.
How do I install it?
Download the DMG and drag AetherTransfer into Applications. The installer is signed with Developer ID and notarized by Apple, and later versions can be installed from inside the app.
Which protocols are supported?
This version supports SFTP, FTPS and FTP. WebDAV and S3 / R2 cloud storage are in development and will be listed in the release notes of future versions.
How does it differ from AetherTerm?
AetherTerm focuses on SSH terminals and operations. AetherTransfer focuses on file browsing, batch transfers, task management and folder sync, and can open a terminal at the current location.
Does it collect my data?
No. There are no analytics, ads or accounts; the app contacts GitHub only to check for updates.
AetherTransfer for Mac
Native file transfer starts here.
Free · macOS 26.0+ · Apple silicon
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