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A better way to send filesBreak free of the limitations of email clients and chat services, and start sending files more conveniently and securely.Send large filesSay 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 filesRestrict 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.

WatermarksTighten control over documents and minimize the risk of data leaks with intuitive content protection features.Protect your privacyAdd watermarks with text, an image, or the receiver’s email address to photos and PDF documents.Simple setupApply watermarks to multiple files at once, eliminating repetitive work and speeding up the transfer process.
Integrate with OutlookEnable seamless and secure document sharing on Microsoft Outlook with C2 Transfer.Overcome email limitationsGo beyond what you can do with email attachments and share files without worrying about size limitations.Create sharing links easilyLeverage C2 Transfer's simple and secure sharing process to send traceable sharing links in seconds.
Keep task statuses in checkCentrally monitor task statuses from the web portal. Get notified via emails whenever there are new task activities.Task status monitoringCheck how many times recipients have accessed the files and more details for file request tasks.Email notificationsReceive an email notification whenever a transfer task is opened and a file is downloaded or uploaded.
Administrative featuresManage users from a single, unified console.User managementQuickly add or remove members from the team. Centrally monitor members' active tasks.Transfer policiesEasily comply with corporate regulations by setting policies for each transfer task, including allow or blocklists and shared watermarks.
Security is our top priorityAchieve peace of mind knowing that only you and those you trust can access your private information on C2 Transfer.End-to-end encryptionAll 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 securityThe key used to encrypt and decrypt data is stored on your devices and is never shared with Synology C2 servers.
Customer storiesSee 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 KHOKILearn more"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.Learn moreAdditional resourcesCheck our security white paper, product tutorials, FAQs, and blog posts about online file transfer.Security white paperWe build secure and robust cloud services. See our white paper for more information on our infrastructure, key security measures, and how we protect your data.Learn moreTutorials & FAQCheck these how-tos and frequently asked questions to help you get started faster with C2 services.Learn moreBlogs
  • Secure File Sharing: How to Keep Your Company’s Documents Safe
  • “E-mail attachments may not be as safe as you think” — comprehending the drawbacks of e-mail file transfers
  • Send crucial documents with C2 Transfer and Adobe Reader’s e-signature
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