Documentation

Get started with
CloudPairs

Quick start guides, connection recipes, and feature references for every protocol CloudPairs supports.

⌘K

No results found. Try a different search term.

Start here

Quick Start

Install CloudPairs

Download, install, and sign in on Windows or macOS.

Add your first connection

Connect S3, R2, SFTP, or any supported protocol in under a minute.

Transfer files

Use dual-pane copy, drag-and-drop, or the transfer queue.

Set up automation

Schedule syncs on interval, daily, or cron expression.

#Installation

1

Create a free account

Go to cloudpairs.com/signup and create a free account. CloudPairs is free forever — no trial, no credit card.

2

Download the installer

Visit cloudpairs.com/download. Download the .exe for Windows or .dmg for macOS. Minimum: Windows 10/11 (x64) or macOS 13 Ventura (Intel or Apple Silicon).

3

Install and launch

Windows: run the installer, follow the wizard. macOS: open the .dmg, drag CloudPairs to Applications, and open it from Launchpad.

4

Sign in to link your device

The splash screen will ask you to sign in. Your free account links your device immediately. Upgrade to Pro ($29 one-time) from the app or dashboard to unlock all features — up to 3 devices per license.

Connections

Connection guides

Click any protocol for setup instructions.

Amazon S3 & S3-compatible (R2, B2, MinIO, Wasabi)
  1. Open Connections in the sidebar and click + Add connection.
  2. Select S3 Compatible as the provider.
  3. Enter a display name, your Access Key ID, Secret Access Key, Region, and Bucket name.
  4. For Cloudflare R2: set the endpoint to https://<account-id>.r2.cloudflarestorage.com and region to auto.
  5. Click Test connection — you should see a green checkmark with your bucket contents.
  6. Click Save. The connection appears in the sidebar immediately.
Credentials are saved in your OS keychain — never in app settings or plain files.

Learn more: Amazon S3 file manager → · Cloudflare R2 · S3-compatible endpoints

SFTP (SSH File Transfer Protocol)
  1. Click + Add connection and choose SFTP.
  2. Enter the host, port (default 22), and username.
  3. Choose auth method: Password or SSH Private Key.
  4. For key auth, paste the private key (PEM/OpenSSH format) or browse to the key file.
  5. Test the connection, then save.
CloudPairs supports OpenSSH 9.x, ed25519, RSA, and ECDSA keys.

Learn more: SFTP file manager →

FTP / FTPS
  1. Click + Add connection and choose FTP / FTPS.
  2. Enter host, port (21 for FTP, 990 for FTPS implicit), username, and password.
  3. Select Explicit TLS (STARTTLS), Implicit TLS, or Plain FTP.
  4. Test and save.
Plain FTP transmits credentials unencrypted. Use FTPS or SFTP whenever possible.

Learn more: FTP & FTPS file manager →

Dropbox
  1. Click + Add connection and choose Dropbox.
  2. Click Authorize with Dropbox. A browser window opens.
  3. Sign in and click Allow to grant access.
  4. Return to the app and click Save.

Learn more: Dropbox file manager →

Microsoft OneDrive
  1. Click + Add connection and choose OneDrive.
  2. Click Sign in with Microsoft. A browser window opens.
  3. Sign in with your Microsoft account and accept the permissions.
  4. Return to the app and click Save.
Works with personal Microsoft accounts and Microsoft 365 business accounts.

Learn more: OneDrive file manager →

pCloud
  1. Click + Add connection and choose pCloud.
  2. Click Authorize with pCloud. A browser window opens.
  3. Sign in and authorize access.
  4. CloudPairs automatically detects your datacenter (US or EU). Click Save.

Learn more: pCloud file manager →

WebDAV
  1. Click + Add connection and choose WebDAV.
  2. Enter the server URL (e.g. https://dav.example.com/remote.php/dav/), username, and password.
  3. Choose auth: Basic or Digest.
  4. Test and save.
Compatible with Nextcloud, ownCloud, Nginx WebDAV, and any RFC 4918-compliant server.

Learn more: WebDAV file manager →

Synology Drive / File Station
  1. Enable File Station in Synology DSM (enabled by default on DSM 6.2+).
  2. In CloudPairs, click + Add connection and choose Synology.
  3. Enter your NAS hostname or IP, port (default 5000/5001), username, and password.
  4. CloudPairs uses the File Station API — no extra packages required.
  5. Test and save.

Learn more: Synology file manager →

Samba / SMB (Windows Shares)
  1. Click + Add connection and choose Samba / SMB.
  2. Enter the host or IP address, share name, domain (optional), username, and password.
  3. CloudPairs supports SMB 2.0 and 3.x via the smb2 library.
  4. Test and save. Anonymous shares are supported too — leave username/password blank.

Learn more: Samba / SMB file manager →

#Transferring files

There are three ways to move files in CloudPairs:

1. Copy between panes

Select files in one pane, right-click → Copy to opposite pane, or click the copy arrow button in the toolbar. Folders are copied recursively.

2. Drag and drop

Drag files from one pane and drop them into the other. You can also drag from your desktop into a CloudPairs pane to upload.

3. Transfer queue

All operations go through the transfer queue. Open it from the toolbar to see progress, speed, ETA, and retry failed jobs. Bandwidth limits are configurable per session.

#Automation & scheduled sync

1

Open Automation

Click Automation in the left sidebar. This shows all configured tasks and their last-run status.

2

Create a new task

Click + New task. Choose a source endpoint (local folder, cloud connection path) and a destination endpoint.

3

Set the schedule

Choose Interval (e.g. every 6 hours), Daily (specific time), or a Cron expression for fine-grained control.

4

Configure options

Enable Skip existing to skip files already present at the destination. Enable Delete after copy for one-way mirror workflows.

5

Enable and monitor

Toggle the task on. CloudPairs runs it in the background even when minimized. Check the Audit log for a full history of every run.

Ready to try CloudPairs?

Free forever. Pro is $29 one-time when you need more.

Download Free See pricing →

Free forever · Pro $29 one-time · 2 years updates & support