A better way to send files
Break free of the limitations of email clients and chat services, and start sending files more conveniently and securely.
Send large files
Say goodbye to transfers failed due to size limitations. C2 Transfer helps you focus on what truly matters, spending less time on technical issues.
Keep control over your files
Restrict recipients' access to the files by setting expiration dates and download limits, ensuring control over your important documents at each stage of the process.
As intuitive as it gets
Receive and request files from anyone by sending them a simple and secure link. Transfers are secure, as all files are encrypted before being sent.
File transfer
Sender
Upload the files, select who can access them, and share the transfer link.
Recipient
Open the link, verify your identity through a one-time password (OTP), and download the files.
File request
Requester
Select who you wish to receive files from and share the transfer link.
Sender
Open the link, verify your identity through a one-time password (OTP), and upload the files.
Watermarks
Tighten control over documents and minimize the risk of data leaks with intuitive content protection features.
Protect your privacy
Add watermarks with text, an image, or the receiver’s email address to photos and PDF documents.
Simple setup
Apply watermarks to multiple files at once, eliminating repetitive work and speeding up the transfer process.
Integrate with Outlook
Enable seamless and secure document sharing on Microsoft Outlook with C2 Transfer.
Overcome email limitations
Go beyond what you can do with email attachments and share files without worrying about size limitations.
Create sharing links easily
Leverage C2 Transfer's simple and secure sharing process to send traceable sharing links in seconds.
Keep task statuses in check
Centrally monitor task statuses from the web portal. Get notified via emails whenever there are new task activities.
Administrative features
Manage users from a single, unified console.
User management
Quickly add or remove members from the team. Centrally monitor members' active tasks.
Transfer policies
Easily comply with corporate regulations by setting policies for each transfer task, including allow or blocklists and shared watermarks.
Security is our top priority
Achieve peace of mind knowing that only you and those you trust can access your private information on C2 Transfer.
End-to-end encryption
All data is protected through AES-256 encryption before it even leaves your device. Data traveling to and stored on C2 servers is fully encrypted, achieving comprehensive protection throughout the entire process.
Designed for security
The key used to encrypt and decrypt data is stored on your devices and is never shared with Synology C2 servers.
Customer stories
See how these organizations achieved more with Synology.
"C2 Transfer's interface is simple and intuitive, allowing easy and secure file sharing. Implementing the service allows us to track file download progress in real-time, while also aiding our company's compliance with cyber security regulations."
Sih Sîng-hông, CEO, ÌTHUÂN KHOKI
"C2 Transfer’s end-to-end encryption helps our organization upload confidential files to external servers more securely. In addition, one-time password protection through email or phone further reduces our worries about data leaks."
KL, Product Manager, Ganzin Technology Inc.
Additional resources
Check our security white paper, product tutorials, FAQs, and blog posts about online file transfer.
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